Home / 36,966.12-51,000.30-28,470.84

Finding the Fourth Proportional to 36,966.12, 51,000.30 and 28,470.84

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Solution

The fourth proportional to 36,966.12, 51,000.30 and 28,470.84 is: 39,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,966.12 : 51,000.30 = 28,470.84 : x
  2. Step 2: Convert to fraction form
    36,966.12/51,000.30 = 28,470.84/x
  3. Step 3: Cross multiply
    36,966.12x = 51,000.30 × 28,470.84
  4. Step 4: Simplify right side
    36,966.12x = 1,452,021,381.25
  5. Step 5: Solve for x
    x = 1,452,021,381.25/36,966.12
  6. Step 6: Final answer
    x = 39,279.79

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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.