Home / 67,675.13-93,389.57-38,994.85

Finding the Fourth Proportional to 67,675.13, 93,389.57 and 38,994.85

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Solution

The fourth proportional to 67,675.13, 93,389.57 and 38,994.85 is: 53,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.13 : 93,389.57 = 38,994.85 : x
  2. Step 2: Convert to fraction form
    67,675.13/93,389.57 = 38,994.85/x
  3. Step 3: Cross multiply
    67,675.13x = 93,389.57 × 38,994.85
  4. Step 4: Simplify right side
    67,675.13x = 3,641,712,273.71
  5. Step 5: Solve for x
    x = 3,641,712,273.71/67,675.13
  6. Step 6: Final answer
    x = 53,811.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.