Home / 42,642.30-63,963.45-14,940.30

Finding the Fourth Proportional to 42,642.30, 63,963.45 and 14,940.30

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Solution

The fourth proportional to 42,642.30, 63,963.45 and 14,940.30 is: 22,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.30 : 63,963.45 = 14,940.30 : x
  2. Step 2: Convert to fraction form
    42,642.30/63,963.45 = 14,940.30/x
  3. Step 3: Cross multiply
    42,642.30x = 63,963.45 × 14,940.30
  4. Step 4: Simplify right side
    42,642.30x = 955,633,132.04
  5. Step 5: Solve for x
    x = 955,633,132.04/42,642.30
  6. Step 6: Final answer
    x = 22,410.45

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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.