Home / 42,316.38-63,474.79-12,734.01

Finding the Fourth Proportional to 42,316.38, 63,474.79 and 12,734.01

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Solution

The fourth proportional to 42,316.38, 63,474.79 and 12,734.01 is: 19,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,316.38 : 63,474.79 = 12,734.01 : x
  2. Step 2: Convert to fraction form
    42,316.38/63,474.79 = 12,734.01/x
  3. Step 3: Cross multiply
    42,316.38x = 63,474.79 × 12,734.01
  4. Step 4: Simplify right side
    42,316.38x = 808,288,801.13
  5. Step 5: Solve for x
    x = 808,288,801.13/42,316.38
  6. Step 6: Final answer
    x = 19,101.09

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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.