Home / 47,706.20-71,569.92-15,686.72

Finding the Fourth Proportional to 47,706.20, 71,569.92 and 15,686.72

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Solution

The fourth proportional to 47,706.20, 71,569.92 and 15,686.72 is: 23,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,706.20 : 71,569.92 = 15,686.72 : x
  2. Step 2: Convert to fraction form
    47,706.20/71,569.92 = 15,686.72/x
  3. Step 3: Cross multiply
    47,706.20x = 71,569.92 × 15,686.72
  4. Step 4: Simplify right side
    47,706.20x = 1,122,697,295.46
  5. Step 5: Solve for x
    x = 1,122,697,295.46/47,706.20
  6. Step 6: Final answer
    x = 23,533.57

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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.