Home / 31,546.92-47,264.70-28,114.68

Finding the Fourth Proportional to 31,546.92, 47,264.70 and 28,114.68

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Solution

The fourth proportional to 31,546.92, 47,264.70 and 28,114.68 is: 42,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.92 : 47,264.70 = 28,114.68 : x
  2. Step 2: Convert to fraction form
    31,546.92/47,264.70 = 28,114.68/x
  3. Step 3: Cross multiply
    31,546.92x = 47,264.70 × 28,114.68
  4. Step 4: Simplify right side
    31,546.92x = 1,328,831,915.80
  5. Step 5: Solve for x
    x = 1,328,831,915.80/31,546.92
  6. Step 6: Final answer
    x = 42,122.40

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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.