Home / 52,277.20-72,142.33-28,403.67

Finding the Fourth Proportional to 52,277.20, 72,142.33 and 28,403.67

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Solution

The fourth proportional to 52,277.20, 72,142.33 and 28,403.67 is: 39,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277.20 : 72,142.33 = 28,403.67 : x
  2. Step 2: Convert to fraction form
    52,277.20/72,142.33 = 28,403.67/x
  3. Step 3: Cross multiply
    52,277.20x = 72,142.33 × 28,403.67
  4. Step 4: Simplify right side
    52,277.20x = 2,049,106,934.35
  5. Step 5: Solve for x
    x = 2,049,106,934.35/52,277.20
  6. Step 6: Final answer
    x = 39,196.95

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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.