Home / 40,988.08-61,443.68-22,240.64

Finding the Fourth Proportional to 40,988.08, 61,443.68 and 22,240.64

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Solution

The fourth proportional to 40,988.08, 61,443.68 and 22,240.64 is: 33,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,988.08 : 61,443.68 = 22,240.64 : x
  2. Step 2: Convert to fraction form
    40,988.08/61,443.68 = 22,240.64/x
  3. Step 3: Cross multiply
    40,988.08x = 61,443.68 × 22,240.64
  4. Step 4: Simplify right side
    40,988.08x = 1,366,546,767.16
  5. Step 5: Solve for x
    x = 1,366,546,767.16/40,988.08
  6. Step 6: Final answer
    x = 33,340.10

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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.