Home / 55,641.01-76,788.35-31,433.57

Finding the Fourth Proportional to 55,641.01, 76,788.35 and 31,433.57

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Solution

The fourth proportional to 55,641.01, 76,788.35 and 31,433.57 is: 43,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.01 : 76,788.35 = 31,433.57 : x
  2. Step 2: Convert to fraction form
    55,641.01/76,788.35 = 31,433.57/x
  3. Step 3: Cross multiply
    55,641.01x = 76,788.35 × 31,433.57
  4. Step 4: Simplify right side
    55,641.01x = 2,413,732,340.40
  5. Step 5: Solve for x
    x = 2,413,732,340.40/55,641.01
  6. Step 6: Final answer
    x = 43,380.46

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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.