Home / 67,853.30-93,637.76-40,990.86

Finding the Fourth Proportional to 67,853.30, 93,637.76 and 40,990.86

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Solution

The fourth proportional to 67,853.30, 93,637.76 and 40,990.86 is: 56,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.30 : 93,637.76 = 40,990.86 : x
  2. Step 2: Convert to fraction form
    67,853.30/93,637.76 = 40,990.86/x
  3. Step 3: Cross multiply
    67,853.30x = 93,637.76 × 40,990.86
  4. Step 4: Simplify right side
    67,853.30x = 3,838,292,105.92
  5. Step 5: Solve for x
    x = 3,838,292,105.92/67,853.30
  6. Step 6: Final answer
    x = 56,567.51

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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.