Home / 40,248.74-55,506.90-25,142.78

Finding the Fourth Proportional to 40,248.74, 55,506.90 and 25,142.78

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Solution

The fourth proportional to 40,248.74, 55,506.90 and 25,142.78 is: 34,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,248.74 : 55,506.90 = 25,142.78 : x
  2. Step 2: Convert to fraction form
    40,248.74/55,506.90 = 25,142.78/x
  3. Step 3: Cross multiply
    40,248.74x = 55,506.90 × 25,142.78
  4. Step 4: Simplify right side
    40,248.74x = 1,395,597,775.18
  5. Step 5: Solve for x
    x = 1,395,597,775.18/40,248.74
  6. Step 6: Final answer
    x = 34,674.32

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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.