Home / 47,677.56-71,510.16-12,619.92

Finding the Fourth Proportional to 47,677.56, 71,510.16 and 12,619.92

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Solution

The fourth proportional to 47,677.56, 71,510.16 and 12,619.92 is: 18,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,677.56 : 71,510.16 = 12,619.92 : x
  2. Step 2: Convert to fraction form
    47,677.56/71,510.16 = 12,619.92/x
  3. Step 3: Cross multiply
    47,677.56x = 71,510.16 × 12,619.92
  4. Step 4: Simplify right side
    47,677.56x = 902,452,498.39
  5. Step 5: Solve for x
    x = 902,452,498.39/47,677.56
  6. Step 6: Final answer
    x = 18,928.24

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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.