Home / 45,123.68-67,611.54-31,952.40

Finding the Fourth Proportional to 45,123.68, 67,611.54 and 31,952.40

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Solution

The fourth proportional to 45,123.68, 67,611.54 and 31,952.40 is: 47,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.68 : 67,611.54 = 31,952.40 : x
  2. Step 2: Convert to fraction form
    45,123.68/67,611.54 = 31,952.40/x
  3. Step 3: Cross multiply
    45,123.68x = 67,611.54 × 31,952.40
  4. Step 4: Simplify right side
    45,123.68x = 2,160,350,970.70
  5. Step 5: Solve for x
    x = 2,160,350,970.70/45,123.68
  6. Step 6: Final answer
    x = 47,876.21

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1.5x scale

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.