Home / 45,011.36-67,510.10-15,422.42

Finding the Fourth Proportional to 45,011.36, 67,510.10 and 15,422.42

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Solution

The fourth proportional to 45,011.36, 67,510.10 and 15,422.42 is: 23,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.36 : 67,510.10 = 15,422.42 : x
  2. Step 2: Convert to fraction form
    45,011.36/67,510.10 = 15,422.42/x
  3. Step 3: Cross multiply
    45,011.36x = 67,510.10 × 15,422.42
  4. Step 4: Simplify right side
    45,011.36x = 1,041,169,116.44
  5. Step 5: Solve for x
    x = 1,041,169,116.44/45,011.36
  6. Step 6: Final answer
    x = 23,131.25

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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.