Home / 51,370.76-70,891.89-28,710.12

Finding the Fourth Proportional to 51,370.76, 70,891.89 and 28,710.12

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Solution

The fourth proportional to 51,370.76, 70,891.89 and 28,710.12 is: 39,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.76 : 70,891.89 = 28,710.12 : x
  2. Step 2: Convert to fraction form
    51,370.76/70,891.89 = 28,710.12/x
  3. Step 3: Cross multiply
    51,370.76x = 70,891.89 × 28,710.12
  4. Step 4: Simplify right side
    51,370.76x = 2,035,314,668.93
  5. Step 5: Solve for x
    x = 2,035,314,668.93/51,370.76
  6. Step 6: Final answer
    x = 39,620.10

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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.