Home / 40,314.84-55,659.40-25,979.76

Finding the Fourth Proportional to 40,314.84, 55,659.40 and 25,979.76

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Solution

The fourth proportional to 40,314.84, 55,659.40 and 25,979.76 is: 35,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.84 : 55,659.40 = 25,979.76 : x
  2. Step 2: Convert to fraction form
    40,314.84/55,659.40 = 25,979.76/x
  3. Step 3: Cross multiply
    40,314.84x = 55,659.40 × 25,979.76
  4. Step 4: Simplify right side
    40,314.84x = 1,446,017,853.74
  5. Step 5: Solve for x
    x = 1,446,017,853.74/40,314.84
  6. Step 6: Final answer
    x = 35,868.13

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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.