Home / 34,763,140.80-52,144,711.20-21,307,550.40

Finding the Fourth Proportional to 34,763,140.80, 52,144,711.20 and 21,307,550.40

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Solution

The fourth proportional to 34,763,140.80, 52,144,711.20 and 21,307,550.40 is: 31,961,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763,140.80 : 52,144,711.20 = 21,307,550.40 : x
  2. Step 2: Convert to fraction form
    34,763,140.80/52,144,711.20 = 21,307,550.40/x
  3. Step 3: Cross multiply
    34,763,140.80x = 52,144,711.20 × 21,307,550.40
  4. Step 4: Simplify right side
    34,763,140.80x = 1,111,076,061,987,444.50
  5. Step 5: Solve for x
    x = 1,111,076,061,987,444.50/34,763,140.80
  6. Step 6: Final answer
    x = 31,961,325.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.