Home / 68,407.35-94,400.29-38,191.80

Finding the Fourth Proportional to 68,407.35, 94,400.29 and 38,191.80

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Solution

The fourth proportional to 68,407.35, 94,400.29 and 38,191.80 is: 52,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,407.35 : 94,400.29 = 38,191.80 : x
  2. Step 2: Convert to fraction form
    68,407.35/94,400.29 = 38,191.80/x
  3. Step 3: Cross multiply
    68,407.35x = 94,400.29 × 38,191.80
  4. Step 4: Simplify right side
    68,407.35x = 3,605,316,995.62
  5. Step 5: Solve for x
    x = 3,605,316,995.62/68,407.35
  6. Step 6: Final answer
    x = 52,703.65

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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.