Home / 51,149.11-70,582.99-28,174.46

Finding the Fourth Proportional to 51,149.11, 70,582.99 and 28,174.46

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Solution

The fourth proportional to 51,149.11, 70,582.99 and 28,174.46 is: 38,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.11 : 70,582.99 = 28,174.46 : x
  2. Step 2: Convert to fraction form
    51,149.11/70,582.99 = 28,174.46/x
  3. Step 3: Cross multiply
    51,149.11x = 70,582.99 × 28,174.46
  4. Step 4: Simplify right side
    51,149.11x = 1,988,637,487.56
  5. Step 5: Solve for x
    x = 1,988,637,487.56/51,149.11
  6. Step 6: Final answer
    x = 38,879.22

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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.