Home / 40,130.77-55,381.05-23,134.70

Finding the Fourth Proportional to 40,130.77, 55,381.05 and 23,134.70

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Solution

The fourth proportional to 40,130.77, 55,381.05 and 23,134.70 is: 31,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.77 : 55,381.05 = 23,134.70 : x
  2. Step 2: Convert to fraction form
    40,130.77/55,381.05 = 23,134.70/x
  3. Step 3: Cross multiply
    40,130.77x = 55,381.05 × 23,134.70
  4. Step 4: Simplify right side
    40,130.77x = 1,281,223,584.86
  5. Step 5: Solve for x
    x = 1,281,223,584.86/40,130.77
  6. Step 6: Final answer
    x = 31,926.21

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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.