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Finding the Fourth Proportional to 34,750.40, 52,125.60 and 15,015.20

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Solution

The fourth proportional to 34,750.40, 52,125.60 and 15,015.20 is: 22,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.40 : 52,125.60 = 15,015.20 : x
  2. Step 2: Convert to fraction form
    34,750.40/52,125.60 = 15,015.20/x
  3. Step 3: Cross multiply
    34,750.40x = 52,125.60 × 15,015.20
  4. Step 4: Simplify right side
    34,750.40x = 782,676,309.12
  5. Step 5: Solve for x
    x = 782,676,309.12/34,750.40
  6. Step 6: Final answer
    x = 22,522.80

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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.