Home / 47,115.43-70,645.45-19,036.38

Finding the Fourth Proportional to 47,115.43, 70,645.45 and 19,036.38

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Solution

The fourth proportional to 47,115.43, 70,645.45 and 19,036.38 is: 28,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.43 : 70,645.45 = 19,036.38 : x
  2. Step 2: Convert to fraction form
    47,115.43/70,645.45 = 19,036.38/x
  3. Step 3: Cross multiply
    47,115.43x = 70,645.45 × 19,036.38
  4. Step 4: Simplify right side
    47,115.43x = 1,344,833,631.47
  5. Step 5: Solve for x
    x = 1,344,833,631.47/47,115.43
  6. Step 6: Final answer
    x = 28,543.38

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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.