Home / 55,640.79-76,788.45-34,432.38

Finding the Fourth Proportional to 55,640.79, 76,788.45 and 34,432.38

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Solution

The fourth proportional to 55,640.79, 76,788.45 and 34,432.38 is: 47,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.79 : 76,788.45 = 34,432.38 : x
  2. Step 2: Convert to fraction form
    55,640.79/76,788.45 = 34,432.38/x
  3. Step 3: Cross multiply
    55,640.79x = 76,788.45 × 34,432.38
  4. Step 4: Simplify right side
    55,640.79x = 2,644,009,090.01
  5. Step 5: Solve for x
    x = 2,644,009,090.01/55,640.79
  6. Step 6: Final answer
    x = 47,519.26

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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.