Home / 45,129.32-62,285.36-28,136.33

Finding the Fourth Proportional to 45,129.32, 62,285.36 and 28,136.33

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Solution

The fourth proportional to 45,129.32, 62,285.36 and 28,136.33 is: 38,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.32 : 62,285.36 = 28,136.33 : x
  2. Step 2: Convert to fraction form
    45,129.32/62,285.36 = 28,136.33/x
  3. Step 3: Cross multiply
    45,129.32x = 62,285.36 × 28,136.33
  4. Step 4: Simplify right side
    45,129.32x = 1,752,480,991.02
  5. Step 5: Solve for x
    x = 1,752,480,991.02/45,129.32
  6. Step 6: Final answer
    x = 38,832.43

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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.