Home / 52,281.80-72,149.32-28,408.47

Finding the Fourth Proportional to 52,281.80, 72,149.32 and 28,408.47

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Solution

The fourth proportional to 52,281.80, 72,149.32 and 28,408.47 is: 39,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.80 : 72,149.32 = 28,408.47 : x
  2. Step 2: Convert to fraction form
    52,281.80/72,149.32 = 28,408.47/x
  3. Step 3: Cross multiply
    52,281.80x = 72,149.32 × 28,408.47
  4. Step 4: Simplify right side
    52,281.80x = 2,049,651,857.00
  5. Step 5: Solve for x
    x = 2,049,651,857.00/52,281.80
  6. Step 6: Final answer
    x = 39,203.93

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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.