Home / 55,241.01-76,233.11-31,368.18

Finding the Fourth Proportional to 55,241.01, 76,233.11 and 31,368.18

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Solution

The fourth proportional to 55,241.01, 76,233.11 and 31,368.18 is: 43,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.01 : 76,233.11 = 31,368.18 : x
  2. Step 2: Convert to fraction form
    55,241.01/76,233.11 = 31,368.18/x
  3. Step 3: Cross multiply
    55,241.01x = 76,233.11 × 31,368.18
  4. Step 4: Simplify right side
    55,241.01x = 2,391,293,916.44
  5. Step 5: Solve for x
    x = 2,391,293,916.44/55,241.01
  6. Step 6: Final answer
    x = 43,288.38

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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.