Home / 42,447.55-63,631.74-14,348.05

Finding the Fourth Proportional to 42,447.55, 63,631.74 and 14,348.05

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Solution

The fourth proportional to 42,447.55, 63,631.74 and 14,348.05 is: 21,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.55 : 63,631.74 = 14,348.05 : x
  2. Step 2: Convert to fraction form
    42,447.55/63,631.74 = 14,348.05/x
  3. Step 3: Cross multiply
    42,447.55x = 63,631.74 × 14,348.05
  4. Step 4: Simplify right side
    42,447.55x = 912,991,559.05
  5. Step 5: Solve for x
    x = 912,991,559.05/42,447.55
  6. Step 6: Final answer
    x = 21,508.70

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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.