Home / 52,145.71-78,242.19-22,168.08

Finding the Fourth Proportional to 52,145.71, 78,242.19 and 22,168.08

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Solution

The fourth proportional to 52,145.71, 78,242.19 and 22,168.08 is: 33,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.71 : 78,242.19 = 22,168.08 : x
  2. Step 2: Convert to fraction form
    52,145.71/78,242.19 = 22,168.08/x
  3. Step 3: Cross multiply
    52,145.71x = 78,242.19 × 22,168.08
  4. Step 4: Simplify right side
    52,145.71x = 1,734,479,044.16
  5. Step 5: Solve for x
    x = 1,734,479,044.16/52,145.71
  6. Step 6: Final answer
    x = 33,262.16

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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.