Home / 42,555.12-63,861.84-14,853.12

Finding the Fourth Proportional to 42,555.12, 63,861.84 and 14,853.12

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Solution

The fourth proportional to 42,555.12, 63,861.84 and 14,853.12 is: 22,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.12 : 63,861.84 = 14,853.12 : x
  2. Step 2: Convert to fraction form
    42,555.12/63,861.84 = 14,853.12/x
  3. Step 3: Cross multiply
    42,555.12x = 63,861.84 × 14,853.12
  4. Step 4: Simplify right side
    42,555.12x = 948,547,572.94
  5. Step 5: Solve for x
    x = 948,547,572.94/42,555.12
  6. Step 6: Final answer
    x = 22,289.86

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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.