Home / 51,023.44-70,408.30-28,360.65

Finding the Fourth Proportional to 51,023.44, 70,408.30 and 28,360.65

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Solution

The fourth proportional to 51,023.44, 70,408.30 and 28,360.65 is: 39,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023.44 : 70,408.30 = 28,360.65 : x
  2. Step 2: Convert to fraction form
    51,023.44/70,408.30 = 28,360.65/x
  3. Step 3: Cross multiply
    51,023.44x = 70,408.30 × 28,360.65
  4. Step 4: Simplify right side
    51,023.44x = 1,996,825,153.40
  5. Step 5: Solve for x
    x = 1,996,825,153.40/51,023.44
  6. Step 6: Final answer
    x = 39,135.45

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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.