Home / 39,148.42-54,015.45-22,377.22

Finding the Fourth Proportional to 39,148.42, 54,015.45 and 22,377.22

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Solution

The fourth proportional to 39,148.42, 54,015.45 and 22,377.22 is: 30,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.42 : 54,015.45 = 22,377.22 : x
  2. Step 2: Convert to fraction form
    39,148.42/54,015.45 = 22,377.22/x
  3. Step 3: Cross multiply
    39,148.42x = 54,015.45 × 22,377.22
  4. Step 4: Simplify right side
    39,148.42x = 1,208,715,608.05
  5. Step 5: Solve for x
    x = 1,208,715,608.05/39,148.42
  6. Step 6: Final answer
    x = 30,875.21

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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.