Home / 60,371.13-90,547.97-20,382.86

Finding the Fourth Proportional to 60,371.13, 90,547.97 and 20,382.86

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Solution

The fourth proportional to 60,371.13, 90,547.97 and 20,382.86 is: 30,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,371.13 : 90,547.97 = 20,382.86 : x
  2. Step 2: Convert to fraction form
    60,371.13/90,547.97 = 20,382.86/x
  3. Step 3: Cross multiply
    60,371.13x = 90,547.97 × 20,382.86
  4. Step 4: Simplify right side
    60,371.13x = 1,845,626,595.79
  5. Step 5: Solve for x
    x = 1,845,626,595.79/60,371.13
  6. Step 6: Final answer
    x = 30,571.34

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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.