Home / 68,739.47-94,861.59-38,531.51

Finding the Fourth Proportional to 68,739.47, 94,861.59 and 38,531.51

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Solution

The fourth proportional to 68,739.47, 94,861.59 and 38,531.51 is: 53,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,739.47 : 94,861.59 = 38,531.51 : x
  2. Step 2: Convert to fraction form
    68,739.47/94,861.59 = 38,531.51/x
  3. Step 3: Cross multiply
    68,739.47x = 94,861.59 × 38,531.51
  4. Step 4: Simplify right side
    68,739.47x = 3,655,160,303.70
  5. Step 5: Solve for x
    x = 3,655,160,303.70/68,739.47
  6. Step 6: Final answer
    x = 53,174.11

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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.