Home / 45,250.01-67,897.62-20,307.89

Finding the Fourth Proportional to 45,250.01, 67,897.62 and 20,307.89

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Solution

The fourth proportional to 45,250.01, 67,897.62 and 20,307.89 is: 30,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.01 : 67,897.62 = 20,307.89 : x
  2. Step 2: Convert to fraction form
    45,250.01/67,897.62 = 20,307.89/x
  3. Step 3: Cross multiply
    45,250.01x = 67,897.62 × 20,307.89
  4. Step 4: Simplify right side
    45,250.01x = 1,378,857,058.73
  5. Step 5: Solve for x
    x = 1,378,857,058.73/45,250.01
  6. Step 6: Final answer
    x = 30,471.98

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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.