Home / 45,250.03-67,839.81-21,545.38

Finding the Fourth Proportional to 45,250.03, 67,839.81 and 21,545.38

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Solution

The fourth proportional to 45,250.03, 67,839.81 and 21,545.38 is: 32,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.03 : 67,839.81 = 21,545.38 : x
  2. Step 2: Convert to fraction form
    45,250.03/67,839.81 = 21,545.38/x
  3. Step 3: Cross multiply
    45,250.03x = 67,839.81 × 21,545.38
  4. Step 4: Simplify right side
    45,250.03x = 1,461,634,485.58
  5. Step 5: Solve for x
    x = 1,461,634,485.58/45,250.03
  6. Step 6: Final answer
    x = 32,301.29

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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.