Home / 47,681.20-71,568.88-35,793.64

Finding the Fourth Proportional to 47,681.20, 71,568.88 and 35,793.64

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Solution

The fourth proportional to 47,681.20, 71,568.88 and 35,793.64 is: 53,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681.20 : 71,568.88 = 35,793.64 : x
  2. Step 2: Convert to fraction form
    47,681.20/71,568.88 = 35,793.64/x
  3. Step 3: Cross multiply
    47,681.20x = 71,568.88 × 35,793.64
  4. Step 4: Simplify right side
    47,681.20x = 2,561,710,457.52
  5. Step 5: Solve for x
    x = 2,561,710,457.52/47,681.20
  6. Step 6: Final answer
    x = 53,725.80

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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.