Home / 62,117.20-93,182.10-19,986.40

Finding the Fourth Proportional to 62,117.20, 93,182.10 and 19,986.40

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Solution

The fourth proportional to 62,117.20, 93,182.10 and 19,986.40 is: 29,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.20 : 93,182.10 = 19,986.40 : x
  2. Step 2: Convert to fraction form
    62,117.20/93,182.10 = 19,986.40/x
  3. Step 3: Cross multiply
    62,117.20x = 93,182.10 × 19,986.40
  4. Step 4: Simplify right side
    62,117.20x = 1,862,374,723.44
  5. Step 5: Solve for x
    x = 1,862,374,723.44/62,117.20
  6. Step 6: Final answer
    x = 29,981.63

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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.