Home / 51,159.37-70,590.56-28,497.80

Finding the Fourth Proportional to 51,159.37, 70,590.56 and 28,497.80

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Solution

The fourth proportional to 51,159.37, 70,590.56 and 28,497.80 is: 39,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.37 : 70,590.56 = 28,497.80 : x
  2. Step 2: Convert to fraction form
    51,159.37/70,590.56 = 28,497.80/x
  3. Step 3: Cross multiply
    51,159.37x = 70,590.56 × 28,497.80
  4. Step 4: Simplify right side
    51,159.37x = 2,011,675,165.33
  5. Step 5: Solve for x
    x = 2,011,675,165.33/51,159.37
  6. Step 6: Final answer
    x = 39,321.74

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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.