Home / 30,227.47-45,341.15-8,040.87

Finding the Fourth Proportional to 30,227.47, 45,341.15 and 8,040.87

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Solution

The fourth proportional to 30,227.47, 45,341.15 and 8,040.87 is: 12,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.47 : 45,341.15 = 8,040.87 : x
  2. Step 2: Convert to fraction form
    30,227.47/45,341.15 = 8,040.87/x
  3. Step 3: Cross multiply
    30,227.47x = 45,341.15 × 8,040.87
  4. Step 4: Simplify right side
    30,227.47x = 364,582,252.60
  5. Step 5: Solve for x
    x = 364,582,252.60/30,227.47
  6. Step 6: Final answer
    x = 12,061.29

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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.