Home / 45,078.18-62,258.95-30,713.10

Finding the Fourth Proportional to 45,078.18, 62,258.95 and 30,713.10

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Solution

The fourth proportional to 45,078.18, 62,258.95 and 30,713.10 is: 42,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.18 : 62,258.95 = 30,713.10 : x
  2. Step 2: Convert to fraction form
    45,078.18/62,258.95 = 30,713.10/x
  3. Step 3: Cross multiply
    45,078.18x = 62,258.95 × 30,713.10
  4. Step 4: Simplify right side
    45,078.18x = 1,912,165,357.25
  5. Step 5: Solve for x
    x = 1,912,165,357.25/45,078.18
  6. Step 6: Final answer
    x = 42,418.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.