Home / 45,272.57-67,867.29-15,669.71

Finding the Fourth Proportional to 45,272.57, 67,867.29 and 15,669.71

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Solution

The fourth proportional to 45,272.57, 67,867.29 and 15,669.71 is: 23,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,272.57 : 67,867.29 = 15,669.71 : x
  2. Step 2: Convert to fraction form
    45,272.57/67,867.29 = 15,669.71/x
  3. Step 3: Cross multiply
    45,272.57x = 67,867.29 × 15,669.71
  4. Step 4: Simplify right side
    45,272.57x = 1,063,460,517.42
  5. Step 5: Solve for x
    x = 1,063,460,517.42/45,272.57
  6. Step 6: Final answer
    x = 23,490.17

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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.