Home / 51,118.50-70,545.09-27,836.48

Finding the Fourth Proportional to 51,118.50, 70,545.09 and 27,836.48

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Solution

The fourth proportional to 51,118.50, 70,545.09 and 27,836.48 is: 38,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.50 : 70,545.09 = 27,836.48 : x
  2. Step 2: Convert to fraction form
    51,118.50/70,545.09 = 27,836.48/x
  3. Step 3: Cross multiply
    51,118.50x = 70,545.09 × 27,836.48
  4. Step 4: Simplify right side
    51,118.50x = 1,963,726,634.16
  5. Step 5: Solve for x
    x = 1,963,726,634.16/51,118.50
  6. Step 6: Final answer
    x = 38,415.18

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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.