Home / 39,180.28-58,719.09-18,117.65

Finding the Fourth Proportional to 39,180.28, 58,719.09 and 18,117.65

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Solution

The fourth proportional to 39,180.28, 58,719.09 and 18,117.65 is: 27,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.28 : 58,719.09 = 18,117.65 : x
  2. Step 2: Convert to fraction form
    39,180.28/58,719.09 = 18,117.65/x
  3. Step 3: Cross multiply
    39,180.28x = 58,719.09 × 18,117.65
  4. Step 4: Simplify right side
    39,180.28x = 1,063,851,920.94
  5. Step 5: Solve for x
    x = 1,063,851,920.94/39,180.28
  6. Step 6: Final answer
    x = 27,152.74

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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.