Home / 45,233.40-67,833.84-15,643.20

Finding the Fourth Proportional to 45,233.40, 67,833.84 and 15,643.20

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Solution

The fourth proportional to 45,233.40, 67,833.84 and 15,643.20 is: 23,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.40 : 67,833.84 = 15,643.20 : x
  2. Step 2: Convert to fraction form
    45,233.40/67,833.84 = 15,643.20/x
  3. Step 3: Cross multiply
    45,233.40x = 67,833.84 × 15,643.20
  4. Step 4: Simplify right side
    45,233.40x = 1,061,138,325.89
  5. Step 5: Solve for x
    x = 1,061,138,325.89/45,233.40
  6. Step 6: Final answer
    x = 23,459.18

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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.