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Finding the Fourth Proportional to 57,575.48, 79,459.92 and 33,700.76

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Solution

The fourth proportional to 57,575.48, 79,459.92 and 33,700.76 is: 46,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575.48 : 79,459.92 = 33,700.76 : x
  2. Step 2: Convert to fraction form
    57,575.48/79,459.92 = 33,700.76/x
  3. Step 3: Cross multiply
    57,575.48x = 79,459.92 × 33,700.76
  4. Step 4: Simplify right side
    57,575.48x = 2,677,859,693.54
  5. Step 5: Solve for x
    x = 2,677,859,693.54/57,575.48
  6. Step 6: Final answer
    x = 46,510.42

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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.