Home / 45,016.47-67,521.45-19,718.55

Finding the Fourth Proportional to 45,016.47, 67,521.45 and 19,718.55

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Solution

The fourth proportional to 45,016.47, 67,521.45 and 19,718.55 is: 29,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.47 : 67,521.45 = 19,718.55 : x
  2. Step 2: Convert to fraction form
    45,016.47/67,521.45 = 19,718.55/x
  3. Step 3: Cross multiply
    45,016.47x = 67,521.45 × 19,718.55
  4. Step 4: Simplify right side
    45,016.47x = 1,331,425,087.90
  5. Step 5: Solve for x
    x = 1,331,425,087.90/45,016.47
  6. Step 6: Final answer
    x = 29,576.40

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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.