Home / 52,281.71-72,148.97-28,408.47

Finding the Fourth Proportional to 52,281.71, 72,148.97 and 28,408.47

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Solution

The fourth proportional to 52,281.71, 72,148.97 and 28,408.47 is: 39,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.71 : 72,148.97 = 28,408.47 : x
  2. Step 2: Convert to fraction form
    52,281.71/72,148.97 = 28,408.47/x
  3. Step 3: Cross multiply
    52,281.71x = 72,148.97 × 28,408.47
  4. Step 4: Simplify right side
    52,281.71x = 2,049,641,920.80
  5. Step 5: Solve for x
    x = 2,049,641,920.80/52,281.71
  6. Step 6: Final answer
    x = 39,203.81

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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.