Home / 34,839.20-52,258.80-8,543.60

Finding the Fourth Proportional to 34,839.20, 52,258.80 and 8,543.60

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Solution

The fourth proportional to 34,839.20, 52,258.80 and 8,543.60 is: 12,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.20 : 52,258.80 = 8,543.60 : x
  2. Step 2: Convert to fraction form
    34,839.20/52,258.80 = 8,543.60/x
  3. Step 3: Cross multiply
    34,839.20x = 52,258.80 × 8,543.60
  4. Step 4: Simplify right side
    34,839.20x = 446,478,283.68
  5. Step 5: Solve for x
    x = 446,478,283.68/34,839.20
  6. Step 6: Final answer
    x = 12,815.40

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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.