Home / 40,293.04-55,603.56-22,387

Finding the Fourth Proportional to 40,293.04, 55,603.56 and 22,387

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Solution

The fourth proportional to 40,293.04, 55,603.56 and 22,387 is: 30,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293.04 : 55,603.56 = 22,387 : x
  2. Step 2: Convert to fraction form
    40,293.04/55,603.56 = 22,387/x
  3. Step 3: Cross multiply
    40,293.04x = 55,603.56 × 22,387
  4. Step 4: Simplify right side
    40,293.04x = 1,244,796,897.72
  5. Step 5: Solve for x
    x = 1,244,796,897.72/40,293.04
  6. Step 6: Final answer
    x = 30,893.60

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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.