Home / 55,540.02-76,645.31-30,389.52

Finding the Fourth Proportional to 55,540.02, 76,645.31 and 30,389.52

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Solution

The fourth proportional to 55,540.02, 76,645.31 and 30,389.52 is: 41,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.02 : 76,645.31 = 30,389.52 : x
  2. Step 2: Convert to fraction form
    55,540.02/76,645.31 = 30,389.52/x
  3. Step 3: Cross multiply
    55,540.02x = 76,645.31 × 30,389.52
  4. Step 4: Simplify right side
    55,540.02x = 2,329,214,029.20
  5. Step 5: Solve for x
    x = 2,329,214,029.20/55,540.02
  6. Step 6: Final answer
    x = 41,937.58

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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.