Home / 51,269.30-70,751.40-28,606.97

Finding the Fourth Proportional to 51,269.30, 70,751.40 and 28,606.97

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Solution

The fourth proportional to 51,269.30, 70,751.40 and 28,606.97 is: 39,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.30 : 70,751.40 = 28,606.97 : x
  2. Step 2: Convert to fraction form
    51,269.30/70,751.40 = 28,606.97/x
  3. Step 3: Cross multiply
    51,269.30x = 70,751.40 × 28,606.97
  4. Step 4: Simplify right side
    51,269.30x = 2,023,982,680.47
  5. Step 5: Solve for x
    x = 2,023,982,680.47/51,269.30
  6. Step 6: Final answer
    x = 39,477.48

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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.