Home / 40,526.16-60,791.40-12,822

Finding the Fourth Proportional to 40,526.16, 60,791.40 and 12,822

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Solution

The fourth proportional to 40,526.16, 60,791.40 and 12,822 is: 19,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,526.16 : 60,791.40 = 12,822 : x
  2. Step 2: Convert to fraction form
    40,526.16/60,791.40 = 12,822/x
  3. Step 3: Cross multiply
    40,526.16x = 60,791.40 × 12,822
  4. Step 4: Simplify right side
    40,526.16x = 779,467,330.80
  5. Step 5: Solve for x
    x = 779,467,330.80/40,526.16
  6. Step 6: Final answer
    x = 19,233.68

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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.