Home / 45,135.78-62,253.81-29,207.94

Finding the Fourth Proportional to 45,135.78, 62,253.81 and 29,207.94

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Solution

The fourth proportional to 45,135.78, 62,253.81 and 29,207.94 is: 40,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,135.78 : 62,253.81 = 29,207.94 : x
  2. Step 2: Convert to fraction form
    45,135.78/62,253.81 = 29,207.94/x
  3. Step 3: Cross multiply
    45,135.78x = 62,253.81 × 29,207.94
  4. Step 4: Simplify right side
    45,135.78x = 1,818,305,547.25
  5. Step 5: Solve for x
    x = 1,818,305,547.25/45,135.78
  6. Step 6: Final answer
    x = 40,285.24

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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.