Home / 52,315.80-72,195.66-28,442.32

Finding the Fourth Proportional to 52,315.80, 72,195.66 and 28,442.32

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Solution

The fourth proportional to 52,315.80, 72,195.66 and 28,442.32 is: 39,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,315.80 : 72,195.66 = 28,442.32 : x
  2. Step 2: Convert to fraction form
    52,315.80/72,195.66 = 28,442.32/x
  3. Step 3: Cross multiply
    52,315.80x = 72,195.66 × 28,442.32
  4. Step 4: Simplify right side
    52,315.80x = 2,053,412,064.33
  5. Step 5: Solve for x
    x = 2,053,412,064.33/52,315.80
  6. Step 6: Final answer
    x = 39,250.32

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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.