Home / 47,345.31-71,002.58-15,746.87

Finding the Fourth Proportional to 47,345.31, 71,002.58 and 15,746.87

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Solution

The fourth proportional to 47,345.31, 71,002.58 and 15,746.87 is: 23,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,345.31 : 71,002.58 = 15,746.87 : x
  2. Step 2: Convert to fraction form
    47,345.31/71,002.58 = 15,746.87/x
  3. Step 3: Cross multiply
    47,345.31x = 71,002.58 × 15,746.87
  4. Step 4: Simplify right side
    47,345.31x = 1,118,068,495.70
  5. Step 5: Solve for x
    x = 1,118,068,495.70/47,345.31
  6. Step 6: Final answer
    x = 23,615.19

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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.