Home / 52,728.75-72,774.33-30,385.71

Finding the Fourth Proportional to 52,728.75, 72,774.33 and 30,385.71

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Solution

The fourth proportional to 52,728.75, 72,774.33 and 30,385.71 is: 41,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.75 : 72,774.33 = 30,385.71 : x
  2. Step 2: Convert to fraction form
    52,728.75/72,774.33 = 30,385.71/x
  3. Step 3: Cross multiply
    52,728.75x = 72,774.33 × 30,385.71
  4. Step 4: Simplify right side
    52,728.75x = 2,211,299,686.82
  5. Step 5: Solve for x
    x = 2,211,299,686.82/52,728.75
  6. Step 6: Final answer
    x = 41,937.27

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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.