Home / 56,721.70-85,082.55-25,617.70

Finding the Fourth Proportional to 56,721.70, 85,082.55 and 25,617.70

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Solution

The fourth proportional to 56,721.70, 85,082.55 and 25,617.70 is: 38,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.70 : 85,082.55 = 25,617.70 : x
  2. Step 2: Convert to fraction form
    56,721.70/85,082.55 = 25,617.70/x
  3. Step 3: Cross multiply
    56,721.70x = 85,082.55 × 25,617.70
  4. Step 4: Simplify right side
    56,721.70x = 2,179,619,241.14
  5. Step 5: Solve for x
    x = 2,179,619,241.14/56,721.70
  6. Step 6: Final answer
    x = 38,426.55

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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.