Home / 36,209.31-54,307.68-9,907.80

Finding the Fourth Proportional to 36,209.31, 54,307.68 and 9,907.80

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Solution

The fourth proportional to 36,209.31, 54,307.68 and 9,907.80 is: 14,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.31 : 54,307.68 = 9,907.80 : x
  2. Step 2: Convert to fraction form
    36,209.31/54,307.68 = 9,907.80/x
  3. Step 3: Cross multiply
    36,209.31x = 54,307.68 × 9,907.80
  4. Step 4: Simplify right side
    36,209.31x = 538,069,631.90
  5. Step 5: Solve for x
    x = 538,069,631.90/36,209.31
  6. Step 6: Final answer
    x = 14,859.98

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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.