Home / 40,156.74-55,442.28-25,823

Finding the Fourth Proportional to 40,156.74, 55,442.28 and 25,823

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Solution

The fourth proportional to 40,156.74, 55,442.28 and 25,823 is: 35,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.74 : 55,442.28 = 25,823 : x
  2. Step 2: Convert to fraction form
    40,156.74/55,442.28 = 25,823/x
  3. Step 3: Cross multiply
    40,156.74x = 55,442.28 × 25,823
  4. Step 4: Simplify right side
    40,156.74x = 1,431,685,996.44
  5. Step 5: Solve for x
    x = 1,431,685,996.44/40,156.74
  6. Step 6: Final answer
    x = 35,652.45

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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.