Home / 30,258.31-45,387.23-8,073.47

Finding the Fourth Proportional to 30,258.31, 45,387.23 and 8,073.47

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Solution

The fourth proportional to 30,258.31, 45,387.23 and 8,073.47 is: 12,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.31 : 45,387.23 = 8,073.47 : x
  2. Step 2: Convert to fraction form
    30,258.31/45,387.23 = 8,073.47/x
  3. Step 3: Cross multiply
    30,258.31x = 45,387.23 × 8,073.47
  4. Step 4: Simplify right side
    30,258.31x = 366,432,172.48
  5. Step 5: Solve for x
    x = 366,432,172.48/30,258.31
  6. Step 6: Final answer
    x = 12,110.14

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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.