Home / 42,446.72-63,659.66-15,424.64

Finding the Fourth Proportional to 42,446.72, 63,659.66 and 15,424.64

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Solution

The fourth proportional to 42,446.72, 63,659.66 and 15,424.64 is: 23,133.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.72 : 63,659.66 = 15,424.64 : x
  2. Step 2: Convert to fraction form
    42,446.72/63,659.66 = 15,424.64/x
  3. Step 3: Cross multiply
    42,446.72x = 63,659.66 × 15,424.64
  4. Step 4: Simplify right side
    42,446.72x = 981,927,338.02
  5. Step 5: Solve for x
    x = 981,927,338.02/42,446.72
  6. Step 6: Final answer
    x = 23,133.17

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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.