Home / 68,344.66-94,315.50-38,128.18

Finding the Fourth Proportional to 68,344.66, 94,315.50 and 38,128.18

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Solution

The fourth proportional to 68,344.66, 94,315.50 and 38,128.18 is: 52,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.66 : 94,315.50 = 38,128.18 : x
  2. Step 2: Convert to fraction form
    68,344.66/94,315.50 = 38,128.18/x
  3. Step 3: Cross multiply
    68,344.66x = 94,315.50 × 38,128.18
  4. Step 4: Simplify right side
    68,344.66x = 3,596,078,360.79
  5. Step 5: Solve for x
    x = 3,596,078,360.79/68,344.66
  6. Step 6: Final answer
    x = 52,616.82

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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.