Home / 30,258.81-45,387.98-8,073.97

Finding the Fourth Proportional to 30,258.81, 45,387.98 and 8,073.97

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Solution

The fourth proportional to 30,258.81, 45,387.98 and 8,073.97 is: 12,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.81 : 45,387.98 = 8,073.97 : x
  2. Step 2: Convert to fraction form
    30,258.81/45,387.98 = 8,073.97/x
  3. Step 3: Cross multiply
    30,258.81x = 45,387.98 × 8,073.97
  4. Step 4: Simplify right side
    30,258.81x = 366,460,921.57
  5. Step 5: Solve for x
    x = 366,460,921.57/30,258.81
  6. Step 6: Final answer
    x = 12,110.89

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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.