Home / 42,201.44-63,280.92-14,111.72

Finding the Fourth Proportional to 42,201.44, 63,280.92 and 14,111.72

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Solution

The fourth proportional to 42,201.44, 63,280.92 and 14,111.72 is: 21,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.44 : 63,280.92 = 14,111.72 : x
  2. Step 2: Convert to fraction form
    42,201.44/63,280.92 = 14,111.72/x
  3. Step 3: Cross multiply
    42,201.44x = 63,280.92 × 14,111.72
  4. Step 4: Simplify right side
    42,201.44x = 893,002,624.38
  5. Step 5: Solve for x
    x = 893,002,624.38/42,201.44
  6. Step 6: Final answer
    x = 21,160.48

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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.