Home / 51,034.74-70,427.52-28,373.64

Finding the Fourth Proportional to 51,034.74, 70,427.52 and 28,373.64

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Solution

The fourth proportional to 51,034.74, 70,427.52 and 28,373.64 is: 39,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.74 : 70,427.52 = 28,373.64 : x
  2. Step 2: Convert to fraction form
    51,034.74/70,427.52 = 28,373.64/x
  3. Step 3: Cross multiply
    51,034.74x = 70,427.52 × 28,373.64
  4. Step 4: Simplify right side
    51,034.74x = 1,998,285,098.57
  5. Step 5: Solve for x
    x = 1,998,285,098.57/51,034.74
  6. Step 6: Final answer
    x = 39,155.39

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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.