Home / 42,133.04-63,211.38-18,442.66

Finding the Fourth Proportional to 42,133.04, 63,211.38 and 18,442.66

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Solution

The fourth proportional to 42,133.04, 63,211.38 and 18,442.66 is: 27,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133.04 : 63,211.38 = 18,442.66 : x
  2. Step 2: Convert to fraction form
    42,133.04/63,211.38 = 18,442.66/x
  3. Step 3: Cross multiply
    42,133.04x = 63,211.38 × 18,442.66
  4. Step 4: Simplify right side
    42,133.04x = 1,165,785,989.47
  5. Step 5: Solve for x
    x = 1,165,785,989.47/42,133.04
  6. Step 6: Final answer
    x = 27,669.16

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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.