Home / 40,129.08-55,350.63-27,531.96

Finding the Fourth Proportional to 40,129.08, 55,350.63 and 27,531.96

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Solution

The fourth proportional to 40,129.08, 55,350.63 and 27,531.96 is: 37,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.08 : 55,350.63 = 27,531.96 : x
  2. Step 2: Convert to fraction form
    40,129.08/55,350.63 = 27,531.96/x
  3. Step 3: Cross multiply
    40,129.08x = 55,350.63 × 27,531.96
  4. Step 4: Simplify right side
    40,129.08x = 1,523,911,331.13
  5. Step 5: Solve for x
    x = 1,523,911,331.13/40,129.08
  6. Step 6: Final answer
    x = 37,975.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.