Home / 57,130.05-85,712.58-25,566.68

Finding the Fourth Proportional to 57,130.05, 85,712.58 and 25,566.68

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Solution

The fourth proportional to 57,130.05, 85,712.58 and 25,566.68 is: 38,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130.05 : 85,712.58 = 25,566.68 : x
  2. Step 2: Convert to fraction form
    57,130.05/85,712.58 = 25,566.68/x
  3. Step 3: Cross multiply
    57,130.05x = 85,712.58 × 25,566.68
  4. Step 4: Simplify right side
    57,130.05x = 2,191,386,104.83
  5. Step 5: Solve for x
    x = 2,191,386,104.83/57,130.05
  6. Step 6: Final answer
    x = 38,357.85

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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.