Home / 56,909.20-85,361.28-19,472.56

Finding the Fourth Proportional to 56,909.20, 85,361.28 and 19,472.56

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Solution

The fourth proportional to 56,909.20, 85,361.28 and 19,472.56 is: 29,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.20 : 85,361.28 = 19,472.56 : x
  2. Step 2: Convert to fraction form
    56,909.20/85,361.28 = 19,472.56/x
  3. Step 3: Cross multiply
    56,909.20x = 85,361.28 × 19,472.56
  4. Step 4: Simplify right side
    56,909.20x = 1,662,202,646.48
  5. Step 5: Solve for x
    x = 1,662,202,646.48/56,909.20
  6. Step 6: Final answer
    x = 29,207.98

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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.