Home / 47,475.64-71,212.68-19,389.52

Finding the Fourth Proportional to 47,475.64, 71,212.68 and 19,389.52

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Solution

The fourth proportional to 47,475.64, 71,212.68 and 19,389.52 is: 29,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.64 : 71,212.68 = 19,389.52 : x
  2. Step 2: Convert to fraction form
    47,475.64/71,212.68 = 19,389.52/x
  3. Step 3: Cross multiply
    47,475.64x = 71,212.68 × 19,389.52
  4. Step 4: Simplify right side
    47,475.64x = 1,380,779,683.11
  5. Step 5: Solve for x
    x = 1,380,779,683.11/47,475.64
  6. Step 6: Final answer
    x = 29,083.96

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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.