Home / 42,356.08-63,553.52-18,347.72

Finding the Fourth Proportional to 42,356.08, 63,553.52 and 18,347.72

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Solution

The fourth proportional to 42,356.08, 63,553.52 and 18,347.72 is: 27,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.08 : 63,553.52 = 18,347.72 : x
  2. Step 2: Convert to fraction form
    42,356.08/63,553.52 = 18,347.72/x
  3. Step 3: Cross multiply
    42,356.08x = 63,553.52 × 18,347.72
  4. Step 4: Simplify right side
    42,356.08x = 1,166,062,257.12
  5. Step 5: Solve for x
    x = 1,166,062,257.12/42,356.08
  6. Step 6: Final answer
    x = 27,529.99

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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.