Home / 51,306.40-76,820.58-26,630.56

Finding the Fourth Proportional to 51,306.40, 76,820.58 and 26,630.56

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Solution

The fourth proportional to 51,306.40, 76,820.58 and 26,630.56 is: 39,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.40 : 76,820.58 = 26,630.56 : x
  2. Step 2: Convert to fraction form
    51,306.40/76,820.58 = 26,630.56/x
  3. Step 3: Cross multiply
    51,306.40x = 76,820.58 × 26,630.56
  4. Step 4: Simplify right side
    51,306.40x = 2,045,775,064.92
  5. Step 5: Solve for x
    x = 2,045,775,064.92/51,306.40
  6. Step 6: Final answer
    x = 39,873.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.