Home / 54,151.12-81,239.64-27,430.48

Finding the Fourth Proportional to 54,151.12, 81,239.64 and 27,430.48

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Solution

The fourth proportional to 54,151.12, 81,239.64 and 27,430.48 is: 41,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.12 : 81,239.64 = 27,430.48 : x
  2. Step 2: Convert to fraction form
    54,151.12/81,239.64 = 27,430.48/x
  3. Step 3: Cross multiply
    54,151.12x = 81,239.64 × 27,430.48
  4. Step 4: Simplify right side
    54,151.12x = 2,228,442,320.23
  5. Step 5: Solve for x
    x = 2,228,442,320.23/54,151.12
  6. Step 6: Final answer
    x = 41,152.28

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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.