Home / 40,439.57-55,816.53-26,115.38

Finding the Fourth Proportional to 40,439.57, 55,816.53 and 26,115.38

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Solution

The fourth proportional to 40,439.57, 55,816.53 and 26,115.38 is: 36,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.57 : 55,816.53 = 26,115.38 : x
  2. Step 2: Convert to fraction form
    40,439.57/55,816.53 = 26,115.38/x
  3. Step 3: Cross multiply
    40,439.57x = 55,816.53 × 26,115.38
  4. Step 4: Simplify right side
    40,439.57x = 1,457,669,612.15
  5. Step 5: Solve for x
    x = 1,457,669,612.15/40,439.57
  6. Step 6: Final answer
    x = 36,045.63

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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.