Home / 51,437.16-70,979.94-28,772.22

Finding the Fourth Proportional to 51,437.16, 70,979.94 and 28,772.22

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Solution

The fourth proportional to 51,437.16, 70,979.94 and 28,772.22 is: 39,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.16 : 70,979.94 = 28,772.22 : x
  2. Step 2: Convert to fraction form
    51,437.16/70,979.94 = 28,772.22/x
  3. Step 3: Cross multiply
    51,437.16x = 70,979.94 × 28,772.22
  4. Step 4: Simplify right side
    51,437.16x = 2,042,250,449.27
  5. Step 5: Solve for x
    x = 2,042,250,449.27/51,437.16
  6. Step 6: Final answer
    x = 39,703.79

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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.