Home / 51,628.16-71,245.74-28,966.76

Finding the Fourth Proportional to 51,628.16, 71,245.74 and 28,966.76

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Solution

The fourth proportional to 51,628.16, 71,245.74 and 28,966.76 is: 39,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.16 : 71,245.74 = 28,966.76 : x
  2. Step 2: Convert to fraction form
    51,628.16/71,245.74 = 28,966.76/x
  3. Step 3: Cross multiply
    51,628.16x = 71,245.74 × 28,966.76
  4. Step 4: Simplify right side
    51,628.16x = 2,063,758,251.60
  5. Step 5: Solve for x
    x = 2,063,758,251.60/51,628.16
  6. Step 6: Final answer
    x = 39,973.50

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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.