Home / 36,445.90-50,295.12-20,535.47

Finding the Fourth Proportional to 36,445.90, 50,295.12 and 20,535.47

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Solution

The fourth proportional to 36,445.90, 50,295.12 and 20,535.47 is: 28,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.90 : 50,295.12 = 20,535.47 : x
  2. Step 2: Convert to fraction form
    36,445.90/50,295.12 = 20,535.47/x
  3. Step 3: Cross multiply
    36,445.90x = 50,295.12 × 20,535.47
  4. Step 4: Simplify right side
    36,445.90x = 1,032,834,002.31
  5. Step 5: Solve for x
    x = 1,032,834,002.31/36,445.90
  6. Step 6: Final answer
    x = 28,338.83

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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.