Home / 47,678.79-71,518.17-37,156.68

Finding the Fourth Proportional to 47,678.79, 71,518.17 and 37,156.68

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Solution

The fourth proportional to 47,678.79, 71,518.17 and 37,156.68 is: 55,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.79 : 71,518.17 = 37,156.68 : x
  2. Step 2: Convert to fraction form
    47,678.79/71,518.17 = 37,156.68/x
  3. Step 3: Cross multiply
    47,678.79x = 71,518.17 × 37,156.68
  4. Step 4: Simplify right side
    47,678.79x = 2,657,378,211.98
  5. Step 5: Solve for x
    x = 2,657,378,211.98/47,678.79
  6. Step 6: Final answer
    x = 55,735.01

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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.