Home / 40,956.20-61,434.30-13,254.20

Finding the Fourth Proportional to 40,956.20, 61,434.30 and 13,254.20

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Solution

The fourth proportional to 40,956.20, 61,434.30 and 13,254.20 is: 19,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.20 : 61,434.30 = 13,254.20 : x
  2. Step 2: Convert to fraction form
    40,956.20/61,434.30 = 13,254.20/x
  3. Step 3: Cross multiply
    40,956.20x = 61,434.30 × 13,254.20
  4. Step 4: Simplify right side
    40,956.20x = 814,262,499.06
  5. Step 5: Solve for x
    x = 814,262,499.06/40,956.20
  6. Step 6: Final answer
    x = 19,881.30

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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.