Home / 51,290.28-70,784.15-28,633.73

Finding the Fourth Proportional to 51,290.28, 70,784.15 and 28,633.73

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Solution

The fourth proportional to 51,290.28, 70,784.15 and 28,633.73 is: 39,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.28 : 70,784.15 = 28,633.73 : x
  2. Step 2: Convert to fraction form
    51,290.28/70,784.15 = 28,633.73/x
  3. Step 3: Cross multiply
    51,290.28x = 70,784.15 × 28,633.73
  4. Step 4: Simplify right side
    51,290.28x = 2,026,813,742.29
  5. Step 5: Solve for x
    x = 2,026,813,742.29/51,290.28
  6. Step 6: Final answer
    x = 39,516.53

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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.