Home / 51,350.51-70,856.69-28,686.71

Finding the Fourth Proportional to 51,350.51, 70,856.69 and 28,686.71

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Solution

The fourth proportional to 51,350.51, 70,856.69 and 28,686.71 is: 39,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.51 : 70,856.69 = 28,686.71 : x
  2. Step 2: Convert to fraction form
    51,350.51/70,856.69 = 28,686.71/x
  3. Step 3: Cross multiply
    51,350.51x = 70,856.69 × 28,686.71
  4. Step 4: Simplify right side
    51,350.51x = 2,032,645,351.30
  5. Step 5: Solve for x
    x = 2,032,645,351.30/51,350.51
  6. Step 6: Final answer
    x = 39,583.74

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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.