Home / 42,321.71-58,402.40-22,940.21

Finding the Fourth Proportional to 42,321.71, 58,402.40 and 22,940.21

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Solution

The fourth proportional to 42,321.71, 58,402.40 and 22,940.21 is: 31,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321.71 : 58,402.40 = 22,940.21 : x
  2. Step 2: Convert to fraction form
    42,321.71/58,402.40 = 22,940.21/x
  3. Step 3: Cross multiply
    42,321.71x = 58,402.40 × 22,940.21
  4. Step 4: Simplify right side
    42,321.71x = 1,339,763,192.40
  5. Step 5: Solve for x
    x = 1,339,763,192.40/42,321.71
  6. Step 6: Final answer
    x = 31,656.64

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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.