Home / 40,822.62-61,225.29-18,621.42

Finding the Fourth Proportional to 40,822.62, 61,225.29 and 18,621.42

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Solution

The fourth proportional to 40,822.62, 61,225.29 and 18,621.42 is: 27,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.62 : 61,225.29 = 18,621.42 : x
  2. Step 2: Convert to fraction form
    40,822.62/61,225.29 = 18,621.42/x
  3. Step 3: Cross multiply
    40,822.62x = 61,225.29 × 18,621.42
  4. Step 4: Simplify right side
    40,822.62x = 1,140,101,839.71
  5. Step 5: Solve for x
    x = 1,140,101,839.71/40,822.62
  6. Step 6: Final answer
    x = 27,928.19

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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.