Home / 40,471.53-60,712.85-13,810.37

Finding the Fourth Proportional to 40,471.53, 60,712.85 and 13,810.37

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Solution

The fourth proportional to 40,471.53, 60,712.85 and 13,810.37 is: 20,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.53 : 60,712.85 = 13,810.37 : x
  2. Step 2: Convert to fraction form
    40,471.53/60,712.85 = 13,810.37/x
  3. Step 3: Cross multiply
    40,471.53x = 60,712.85 × 13,810.37
  4. Step 4: Simplify right side
    40,471.53x = 838,466,922.25
  5. Step 5: Solve for x
    x = 838,466,922.25/40,471.53
  6. Step 6: Final answer
    x = 20,717.45

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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.