Home / 56,101.05-84,156.21-40,379.26

Finding the Fourth Proportional to 56,101.05, 84,156.21 and 40,379.26

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Solution

The fourth proportional to 56,101.05, 84,156.21 and 40,379.26 is: 60,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.05 : 84,156.21 = 40,379.26 : x
  2. Step 2: Convert to fraction form
    56,101.05/84,156.21 = 40,379.26/x
  3. Step 3: Cross multiply
    56,101.05x = 84,156.21 × 40,379.26
  4. Step 4: Simplify right side
    56,101.05x = 3,398,165,484.20
  5. Step 5: Solve for x
    x = 3,398,165,484.20/56,101.05
  6. Step 6: Final answer
    x = 60,572.23

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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.