Home / 45,121.12-62,260.16-26,001.79

Finding the Fourth Proportional to 45,121.12, 62,260.16 and 26,001.79

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Solution

The fourth proportional to 45,121.12, 62,260.16 and 26,001.79 is: 35,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.12 : 62,260.16 = 26,001.79 : x
  2. Step 2: Convert to fraction form
    45,121.12/62,260.16 = 26,001.79/x
  3. Step 3: Cross multiply
    45,121.12x = 62,260.16 × 26,001.79
  4. Step 4: Simplify right side
    45,121.12x = 1,618,875,605.69
  5. Step 5: Solve for x
    x = 1,618,875,605.69/45,121.12
  6. Step 6: Final answer
    x = 35,878.44

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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.