Home / 54,849.12-75,693.24-30,976.32

Finding the Fourth Proportional to 54,849.12, 75,693.24 and 30,976.32

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Solution

The fourth proportional to 54,849.12, 75,693.24 and 30,976.32 is: 42,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,849.12 : 75,693.24 = 30,976.32 : x
  2. Step 2: Convert to fraction form
    54,849.12/75,693.24 = 30,976.32/x
  3. Step 3: Cross multiply
    54,849.12x = 75,693.24 × 30,976.32
  4. Step 4: Simplify right side
    54,849.12x = 2,344,698,024.08
  5. Step 5: Solve for x
    x = 2,344,698,024.08/54,849.12
  6. Step 6: Final answer
    x = 42,748.14

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Double scale
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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.