Home / 54,013.86-74,538.99-30,140.28

Finding the Fourth Proportional to 54,013.86, 74,538.99 and 30,140.28

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Solution

The fourth proportional to 54,013.86, 74,538.99 and 30,140.28 is: 41,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.86 : 74,538.99 = 30,140.28 : x
  2. Step 2: Convert to fraction form
    54,013.86/74,538.99 = 30,140.28/x
  3. Step 3: Cross multiply
    54,013.86x = 74,538.99 × 30,140.28
  4. Step 4: Simplify right side
    54,013.86x = 2,246,626,029.52
  5. Step 5: Solve for x
    x = 2,246,626,029.52/54,013.86
  6. Step 6: Final answer
    x = 41,593.51

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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.