Home / 39,849.56-55,041.78-28,930.28

Finding the Fourth Proportional to 39,849.56, 55,041.78 and 28,930.28

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Solution

The fourth proportional to 39,849.56, 55,041.78 and 28,930.28 is: 39,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.56 : 55,041.78 = 28,930.28 : x
  2. Step 2: Convert to fraction form
    39,849.56/55,041.78 = 28,930.28/x
  3. Step 3: Cross multiply
    39,849.56x = 55,041.78 × 28,930.28
  4. Step 4: Simplify right side
    39,849.56x = 1,592,374,029.20
  5. Step 5: Solve for x
    x = 1,592,374,029.20/39,849.56
  6. Step 6: Final answer
    x = 39,959.64

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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.