Home / 30,258.54-45,376.20-10,531.80

Finding the Fourth Proportional to 30,258.54, 45,376.20 and 10,531.80

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Solution

The fourth proportional to 30,258.54, 45,376.20 and 10,531.80 is: 15,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.54 : 45,376.20 = 10,531.80 : x
  2. Step 2: Convert to fraction form
    30,258.54/45,376.20 = 10,531.80/x
  3. Step 3: Cross multiply
    30,258.54x = 45,376.20 × 10,531.80
  4. Step 4: Simplify right side
    30,258.54x = 477,893,063.16
  5. Step 5: Solve for x
    x = 477,893,063.16/30,258.54
  6. Step 6: Final answer
    x = 15,793.66

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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.