Home / 40,031.65-55,244.72-22,126.93

Finding the Fourth Proportional to 40,031.65, 55,244.72 and 22,126.93

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Solution

The fourth proportional to 40,031.65, 55,244.72 and 22,126.93 is: 30,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.65 : 55,244.72 = 22,126.93 : x
  2. Step 2: Convert to fraction form
    40,031.65/55,244.72 = 22,126.93/x
  3. Step 3: Cross multiply
    40,031.65x = 55,244.72 × 22,126.93
  4. Step 4: Simplify right side
    40,031.65x = 1,222,396,052.31
  5. Step 5: Solve for x
    x = 1,222,396,052.31/40,031.65
  6. Step 6: Final answer
    x = 30,535.74

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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.