Home / 51,348.24-70,858.34-28,687.14

Finding the Fourth Proportional to 51,348.24, 70,858.34 and 28,687.14

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Solution

The fourth proportional to 51,348.24, 70,858.34 and 28,687.14 is: 39,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.24 : 70,858.34 = 28,687.14 : x
  2. Step 2: Convert to fraction form
    51,348.24/70,858.34 = 28,687.14/x
  3. Step 3: Cross multiply
    51,348.24x = 70,858.34 × 28,687.14
  4. Step 4: Simplify right side
    51,348.24x = 2,032,723,119.75
  5. Step 5: Solve for x
    x = 2,032,723,119.75/51,348.24
  6. Step 6: Final answer
    x = 39,587.01

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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.