Home / 45,456.67-62,730.13-25,315.31

Finding the Fourth Proportional to 45,456.67, 62,730.13 and 25,315.31

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Solution

The fourth proportional to 45,456.67, 62,730.13 and 25,315.31 is: 34,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.67 : 62,730.13 = 25,315.31 : x
  2. Step 2: Convert to fraction form
    45,456.67/62,730.13 = 25,315.31/x
  3. Step 3: Cross multiply
    45,456.67x = 62,730.13 × 25,315.31
  4. Step 4: Simplify right side
    45,456.67x = 1,588,032,687.29
  5. Step 5: Solve for x
    x = 1,588,032,687.29/45,456.67
  6. Step 6: Final answer
    x = 34,935.09

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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.