Home / 40,929.90-61,394.85-21,201.90

Finding the Fourth Proportional to 40,929.90, 61,394.85 and 21,201.90

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Solution

The fourth proportional to 40,929.90, 61,394.85 and 21,201.90 is: 31,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.90 : 61,394.85 = 21,201.90 : x
  2. Step 2: Convert to fraction form
    40,929.90/61,394.85 = 21,201.90/x
  3. Step 3: Cross multiply
    40,929.90x = 61,394.85 × 21,201.90
  4. Step 4: Simplify right side
    40,929.90x = 1,301,687,470.22
  5. Step 5: Solve for x
    x = 1,301,687,470.22/40,929.90
  6. Step 6: Final answer
    x = 31,802.85

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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.