Home / 54,345.78-75,001.10-30,147.93

Finding the Fourth Proportional to 54,345.78, 75,001.10 and 30,147.93

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Solution

The fourth proportional to 54,345.78, 75,001.10 and 30,147.93 is: 41,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.78 : 75,001.10 = 30,147.93 : x
  2. Step 2: Convert to fraction form
    54,345.78/75,001.10 = 30,147.93/x
  3. Step 3: Cross multiply
    54,345.78x = 75,001.10 × 30,147.93
  4. Step 4: Simplify right side
    54,345.78x = 2,261,127,761.98
  5. Step 5: Solve for x
    x = 2,261,127,761.98/54,345.78
  6. Step 6: Final answer
    x = 41,606.32

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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.