Home / 31,602.08-47,363.64-15,811.64

Finding the Fourth Proportional to 31,602.08, 47,363.64 and 15,811.64

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Solution

The fourth proportional to 31,602.08, 47,363.64 and 15,811.64 is: 23,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,602.08 : 47,363.64 = 15,811.64 : x
  2. Step 2: Convert to fraction form
    31,602.08/47,363.64 = 15,811.64/x
  3. Step 3: Cross multiply
    31,602.08x = 47,363.64 × 15,811.64
  4. Step 4: Simplify right side
    31,602.08x = 748,896,706.27
  5. Step 5: Solve for x
    x = 748,896,706.27/31,602.08
  6. Step 6: Final answer
    x = 23,697.70

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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.