Home / 40,857.35-61,278.73-10,871.76

Finding the Fourth Proportional to 40,857.35, 61,278.73 and 10,871.76

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Solution

The fourth proportional to 40,857.35, 61,278.73 and 10,871.76 is: 16,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,857.35 : 61,278.73 = 10,871.76 : x
  2. Step 2: Convert to fraction form
    40,857.35/61,278.73 = 10,871.76/x
  3. Step 3: Cross multiply
    40,857.35x = 61,278.73 × 10,871.76
  4. Step 4: Simplify right side
    40,857.35x = 666,207,645.66
  5. Step 5: Solve for x
    x = 666,207,645.66/40,857.35
  6. Step 6: Final answer
    x = 16,305.70

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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.