Home / 40,908.48-61,374.72-13,205.76

Finding the Fourth Proportional to 40,908.48, 61,374.72 and 13,205.76

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Solution

The fourth proportional to 40,908.48, 61,374.72 and 13,205.76 is: 19,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.48 : 61,374.72 = 13,205.76 : x
  2. Step 2: Convert to fraction form
    40,908.48/61,374.72 = 13,205.76/x
  3. Step 3: Cross multiply
    40,908.48x = 61,374.72 × 13,205.76
  4. Step 4: Simplify right side
    40,908.48x = 810,499,822.39
  5. Step 5: Solve for x
    x = 810,499,822.39/40,908.48
  6. Step 6: Final answer
    x = 19,812.51

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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.