Home / 37,278.76-51,441.54-21,962.86

Finding the Fourth Proportional to 37,278.76, 51,441.54 and 21,962.86

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Solution

The fourth proportional to 37,278.76, 51,441.54 and 21,962.86 is: 30,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.76 : 51,441.54 = 21,962.86 : x
  2. Step 2: Convert to fraction form
    37,278.76/51,441.54 = 21,962.86/x
  3. Step 3: Cross multiply
    37,278.76x = 51,441.54 × 21,962.86
  4. Step 4: Simplify right side
    37,278.76x = 1,129,803,341.20
  5. Step 5: Solve for x
    x = 1,129,803,341.20/37,278.76
  6. Step 6: Final answer
    x = 30,306.89

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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.