Home / 47,731.60-65,869.20-26,510.80

Finding the Fourth Proportional to 47,731.60, 65,869.20 and 26,510.80

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Solution

The fourth proportional to 47,731.60, 65,869.20 and 26,510.80 is: 36,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.60 : 65,869.20 = 26,510.80 : x
  2. Step 2: Convert to fraction form
    47,731.60/65,869.20 = 26,510.80/x
  3. Step 3: Cross multiply
    47,731.60x = 65,869.20 × 26,510.80
  4. Step 4: Simplify right side
    47,731.60x = 1,746,245,187.36
  5. Step 5: Solve for x
    x = 1,746,245,187.36/47,731.60
  6. Step 6: Final answer
    x = 36,584.68

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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.