Home / 42,024.64-63,036.78-12,442.66

Finding the Fourth Proportional to 42,024.64, 63,036.78 and 12,442.66

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Solution

The fourth proportional to 42,024.64, 63,036.78 and 12,442.66 is: 18,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,024.64 : 63,036.78 = 12,442.66 : x
  2. Step 2: Convert to fraction form
    42,024.64/63,036.78 = 12,442.66/x
  3. Step 3: Cross multiply
    42,024.64x = 63,036.78 × 12,442.66
  4. Step 4: Simplify right side
    42,024.64x = 784,345,221.03
  5. Step 5: Solve for x
    x = 784,345,221.03/42,024.64
  6. Step 6: Final answer
    x = 18,663.94

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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.