Home / 56,991.68-85,497.36-25,412.96

Finding the Fourth Proportional to 56,991.68, 85,497.36 and 25,412.96

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Solution

The fourth proportional to 56,991.68, 85,497.36 and 25,412.96 is: 38,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,991.68 : 85,497.36 = 25,412.96 : x
  2. Step 2: Convert to fraction form
    56,991.68/85,497.36 = 25,412.96/x
  3. Step 3: Cross multiply
    56,991.68x = 85,497.36 × 25,412.96
  4. Step 4: Simplify right side
    56,991.68x = 2,172,740,989.79
  5. Step 5: Solve for x
    x = 2,172,740,989.79/56,991.68
  6. Step 6: Final answer
    x = 38,123.83

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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.