Home / 40,904.30-61,356.45-20,168.30

Finding the Fourth Proportional to 40,904.30, 61,356.45 and 20,168.30

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Solution

The fourth proportional to 40,904.30, 61,356.45 and 20,168.30 is: 30,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.30 : 61,356.45 = 20,168.30 : x
  2. Step 2: Convert to fraction form
    40,904.30/61,356.45 = 20,168.30/x
  3. Step 3: Cross multiply
    40,904.30x = 61,356.45 × 20,168.30
  4. Step 4: Simplify right side
    40,904.30x = 1,237,455,290.54
  5. Step 5: Solve for x
    x = 1,237,455,290.54/40,904.30
  6. Step 6: Final answer
    x = 30,252.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.