Home / 42,342.04-63,513.06-14,642.20

Finding the Fourth Proportional to 42,342.04, 63,513.06 and 14,642.20

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Solution

The fourth proportional to 42,342.04, 63,513.06 and 14,642.20 is: 21,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.04 : 63,513.06 = 14,642.20 : x
  2. Step 2: Convert to fraction form
    42,342.04/63,513.06 = 14,642.20/x
  3. Step 3: Cross multiply
    42,342.04x = 63,513.06 × 14,642.20
  4. Step 4: Simplify right side
    42,342.04x = 929,970,927.13
  5. Step 5: Solve for x
    x = 929,970,927.13/42,342.04
  6. Step 6: Final answer
    x = 21,963.30

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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.