Home / 52,151.27-78,192.33-18,867

Finding the Fourth Proportional to 52,151.27, 78,192.33 and 18,867

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Solution

The fourth proportional to 52,151.27, 78,192.33 and 18,867 is: 28,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,151.27 : 78,192.33 = 18,867 : x
  2. Step 2: Convert to fraction form
    52,151.27/78,192.33 = 18,867/x
  3. Step 3: Cross multiply
    52,151.27x = 78,192.33 × 18,867
  4. Step 4: Simplify right side
    52,151.27x = 1,475,254,690.11
  5. Step 5: Solve for x
    x = 1,475,254,690.11/52,151.27
  6. Step 6: Final answer
    x = 28,287.99

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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.