Home / 47,320.80-70,954.20-17,739.60

Finding the Fourth Proportional to 47,320.80, 70,954.20 and 17,739.60

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Solution

The fourth proportional to 47,320.80, 70,954.20 and 17,739.60 is: 26,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320.80 : 70,954.20 = 17,739.60 : x
  2. Step 2: Convert to fraction form
    47,320.80/70,954.20 = 17,739.60/x
  3. Step 3: Cross multiply
    47,320.80x = 70,954.20 × 17,739.60
  4. Step 4: Simplify right side
    47,320.80x = 1,258,699,126.32
  5. Step 5: Solve for x
    x = 1,258,699,126.32/47,320.80
  6. Step 6: Final answer
    x = 26,599.28

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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.