Home / 56,103.05-84,159.21-40,381.26

Finding the Fourth Proportional to 56,103.05, 84,159.21 and 40,381.26

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Solution

The fourth proportional to 56,103.05, 84,159.21 and 40,381.26 is: 60,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103.05 : 84,159.21 = 40,381.26 : x
  2. Step 2: Convert to fraction form
    56,103.05/84,159.21 = 40,381.26/x
  3. Step 3: Cross multiply
    56,103.05x = 84,159.21 × 40,381.26
  4. Step 4: Simplify right side
    56,103.05x = 3,398,454,940.40
  5. Step 5: Solve for x
    x = 3,398,454,940.40/56,103.05
  6. Step 6: Final answer
    x = 60,575.23

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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.