Home / 40,928.17-61,392.27-18,412.55

Finding the Fourth Proportional to 40,928.17, 61,392.27 and 18,412.55

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Solution

The fourth proportional to 40,928.17, 61,392.27 and 18,412.55 is: 27,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.17 : 61,392.27 = 18,412.55 : x
  2. Step 2: Convert to fraction form
    40,928.17/61,392.27 = 18,412.55/x
  3. Step 3: Cross multiply
    40,928.17x = 61,392.27 × 18,412.55
  4. Step 4: Simplify right side
    40,928.17x = 1,130,387,934.03
  5. Step 5: Solve for x
    x = 1,130,387,934.03/40,928.17
  6. Step 6: Final answer
    x = 27,618.83

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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.