Home / 47,123.76-65,031.60-25,903.92

Finding the Fourth Proportional to 47,123.76, 65,031.60 and 25,903.92

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Solution

The fourth proportional to 47,123.76, 65,031.60 and 25,903.92 is: 35,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,123.76 : 65,031.60 = 25,903.92 : x
  2. Step 2: Convert to fraction form
    47,123.76/65,031.60 = 25,903.92/x
  3. Step 3: Cross multiply
    47,123.76x = 65,031.60 × 25,903.92
  4. Step 4: Simplify right side
    47,123.76x = 1,684,573,363.87
  5. Step 5: Solve for x
    x = 1,684,573,363.87/47,123.76
  6. Step 6: Final answer
    x = 35,747.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.