Home / 40,092.13-55,263.40-31,580.77

Finding the Fourth Proportional to 40,092.13, 55,263.40 and 31,580.77

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Solution

The fourth proportional to 40,092.13, 55,263.40 and 31,580.77 is: 43,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,092.13 : 55,263.40 = 31,580.77 : x
  2. Step 2: Convert to fraction form
    40,092.13/55,263.40 = 31,580.77/x
  3. Step 3: Cross multiply
    40,092.13x = 55,263.40 × 31,580.77
  4. Step 4: Simplify right side
    40,092.13x = 1,745,260,290.60
  5. Step 5: Solve for x
    x = 1,745,260,290.60/40,092.13
  6. Step 6: Final answer
    x = 43,531.25

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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.