Home / 50,721.26-70,000.60-29,211.78

Finding the Fourth Proportional to 50,721.26, 70,000.60 and 29,211.78

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Solution

The fourth proportional to 50,721.26, 70,000.60 and 29,211.78 is: 40,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.26 : 70,000.60 = 29,211.78 : x
  2. Step 2: Convert to fraction form
    50,721.26/70,000.60 = 29,211.78/x
  3. Step 3: Cross multiply
    50,721.26x = 70,000.60 × 29,211.78
  4. Step 4: Simplify right side
    50,721.26x = 2,044,842,127.07
  5. Step 5: Solve for x
    x = 2,044,842,127.07/50,721.26
  6. Step 6: Final answer
    x = 40,315.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.