Home / 42,436.16-63,631.84-14,346.56

Finding the Fourth Proportional to 42,436.16, 63,631.84 and 14,346.56

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Solution

The fourth proportional to 42,436.16, 63,631.84 and 14,346.56 is: 21,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.16 : 63,631.84 = 14,346.56 : x
  2. Step 2: Convert to fraction form
    42,436.16/63,631.84 = 14,346.56/x
  3. Step 3: Cross multiply
    42,436.16x = 63,631.84 × 14,346.56
  4. Step 4: Simplify right side
    42,436.16x = 912,898,010.47
  5. Step 5: Solve for x
    x = 912,898,010.47/42,436.16
  6. Step 6: Final answer
    x = 21,512.27

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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.