Home / 51,034.50-70,427.43-28,372.77

Finding the Fourth Proportional to 51,034.50, 70,427.43 and 28,372.77

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Solution

The fourth proportional to 51,034.50, 70,427.43 and 28,372.77 is: 39,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.50 : 70,427.43 = 28,372.77 : x
  2. Step 2: Convert to fraction form
    51,034.50/70,427.43 = 28,372.77/x
  3. Step 3: Cross multiply
    51,034.50x = 70,427.43 × 28,372.77
  4. Step 4: Simplify right side
    51,034.50x = 1,998,221,273.08
  5. Step 5: Solve for x
    x = 1,998,221,273.08/51,034.50
  6. Step 6: Final answer
    x = 39,154.32

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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.