Home / 53,028.06-73,180-29,155.20

Finding the Fourth Proportional to 53,028.06, 73,180 and 29,155.20

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Solution

The fourth proportional to 53,028.06, 73,180 and 29,155.20 is: 40,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028.06 : 73,180 = 29,155.20 : x
  2. Step 2: Convert to fraction form
    53,028.06/73,180 = 29,155.20/x
  3. Step 3: Cross multiply
    53,028.06x = 73,180 × 29,155.20
  4. Step 4: Simplify right side
    53,028.06x = 2,133,577,536
  5. Step 5: Solve for x
    x = 2,133,577,536/53,028.06
  6. Step 6: Final answer
    x = 40,234.88

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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.