Home / 47,731.50-65,869.47-26,512.74

Finding the Fourth Proportional to 47,731.50, 65,869.47 and 26,512.74

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Solution

The fourth proportional to 47,731.50, 65,869.47 and 26,512.74 is: 36,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.50 : 65,869.47 = 26,512.74 : x
  2. Step 2: Convert to fraction form
    47,731.50/65,869.47 = 26,512.74/x
  3. Step 3: Cross multiply
    47,731.50x = 65,869.47 × 26,512.74
  4. Step 4: Simplify right side
    47,731.50x = 1,746,380,132.05
  5. Step 5: Solve for x
    x = 1,746,380,132.05/47,731.50
  6. Step 6: Final answer
    x = 36,587.58

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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.