Home / 34,431.40-47,515.98-20,292.04

Finding the Fourth Proportional to 34,431.40, 47,515.98 and 20,292.04

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Solution

The fourth proportional to 34,431.40, 47,515.98 and 20,292.04 is: 28,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.40 : 47,515.98 = 20,292.04 : x
  2. Step 2: Convert to fraction form
    34,431.40/47,515.98 = 20,292.04/x
  3. Step 3: Cross multiply
    34,431.40x = 47,515.98 × 20,292.04
  4. Step 4: Simplify right side
    34,431.40x = 964,196,166.80
  5. Step 5: Solve for x
    x = 964,196,166.80/34,431.40
  6. Step 6: Final answer
    x = 28,003.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.