Home / 51,227.40-76,841.10-30,232.20

Finding the Fourth Proportional to 51,227.40, 76,841.10 and 30,232.20

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Solution

The fourth proportional to 51,227.40, 76,841.10 and 30,232.20 is: 45,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.40 : 76,841.10 = 30,232.20 : x
  2. Step 2: Convert to fraction form
    51,227.40/76,841.10 = 30,232.20/x
  3. Step 3: Cross multiply
    51,227.40x = 76,841.10 × 30,232.20
  4. Step 4: Simplify right side
    51,227.40x = 2,323,075,503.42
  5. Step 5: Solve for x
    x = 2,323,075,503.42/51,227.40
  6. Step 6: Final answer
    x = 45,348.30

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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.