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Finding the Fourth Proportional to 73,886.13, 110,829.19 and 18,482.13

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Solution

The fourth proportional to 73,886.13, 110,829.19 and 18,482.13 is: 27,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.13 : 110,829.19 = 18,482.13 : x
  2. Step 2: Convert to fraction form
    73,886.13/110,829.19 = 18,482.13/x
  3. Step 3: Cross multiply
    73,886.13x = 110,829.19 × 18,482.13
  4. Step 4: Simplify right side
    73,886.13x = 2,048,359,497.37
  5. Step 5: Solve for x
    x = 2,048,359,497.37/73,886.13
  6. Step 6: Final answer
    x = 27,723.19

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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.