Home / 47,613.23-71,428.87-19,152.36

Finding the Fourth Proportional to 47,613.23, 71,428.87 and 19,152.36

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Solution

The fourth proportional to 47,613.23, 71,428.87 and 19,152.36 is: 28,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,613.23 : 71,428.87 = 19,152.36 : x
  2. Step 2: Convert to fraction form
    47,613.23/71,428.87 = 19,152.36/x
  3. Step 3: Cross multiply
    47,613.23x = 71,428.87 × 19,152.36
  4. Step 4: Simplify right side
    47,613.23x = 1,368,030,979.73
  5. Step 5: Solve for x
    x = 1,368,030,979.73/47,613.23
  6. Step 6: Final answer
    x = 28,732.16

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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.