Home / 67,618.13-101,427.19-18,370.13

Finding the Fourth Proportional to 67,618.13, 101,427.19 and 18,370.13

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Solution

The fourth proportional to 67,618.13, 101,427.19 and 18,370.13 is: 27,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.13 : 101,427.19 = 18,370.13 : x
  2. Step 2: Convert to fraction form
    67,618.13/101,427.19 = 18,370.13/x
  3. Step 3: Cross multiply
    67,618.13x = 101,427.19 × 18,370.13
  4. Step 4: Simplify right side
    67,618.13x = 1,863,230,112.77
  5. Step 5: Solve for x
    x = 1,863,230,112.77/67,618.13
  6. Step 6: Final answer
    x = 27,555.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.