Home / 45,678.78-63,036.51-25,535.61

Finding the Fourth Proportional to 45,678.78, 63,036.51 and 25,535.61

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Solution

The fourth proportional to 45,678.78, 63,036.51 and 25,535.61 is: 35,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,678.78 : 63,036.51 = 25,535.61 : x
  2. Step 2: Convert to fraction form
    45,678.78/63,036.51 = 25,535.61/x
  3. Step 3: Cross multiply
    45,678.78x = 63,036.51 × 25,535.61
  4. Step 4: Simplify right side
    45,678.78x = 1,609,675,735.12
  5. Step 5: Solve for x
    x = 1,609,675,735.12/45,678.78
  6. Step 6: Final answer
    x = 35,239.03

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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.