Home / 45,029.68-67,557.56-13,869.52

Finding the Fourth Proportional to 45,029.68, 67,557.56 and 13,869.52

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Solution

The fourth proportional to 45,029.68, 67,557.56 and 13,869.52 is: 20,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.68 : 67,557.56 = 13,869.52 : x
  2. Step 2: Convert to fraction form
    45,029.68/67,557.56 = 13,869.52/x
  3. Step 3: Cross multiply
    45,029.68x = 67,557.56 × 13,869.52
  4. Step 4: Simplify right side
    45,029.68x = 936,990,929.57
  5. Step 5: Solve for x
    x = 936,990,929.57/45,029.68
  6. Step 6: Final answer
    x = 20,808.30

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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.