Home / 55,377.66-76,420.49-31,504.29

Finding the Fourth Proportional to 55,377.66, 76,420.49 and 31,504.29

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Solution

The fourth proportional to 55,377.66, 76,420.49 and 31,504.29 is: 43,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.66 : 76,420.49 = 31,504.29 : x
  2. Step 2: Convert to fraction form
    55,377.66/76,420.49 = 31,504.29/x
  3. Step 3: Cross multiply
    55,377.66x = 76,420.49 × 31,504.29
  4. Step 4: Simplify right side
    55,377.66x = 2,407,573,278.90
  5. Step 5: Solve for x
    x = 2,407,573,278.90/55,377.66
  6. Step 6: Final answer
    x = 43,475.53

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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.