Home / 52,031.75-71,804.03-28,158.42

Finding the Fourth Proportional to 52,031.75, 71,804.03 and 28,158.42

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Solution

The fourth proportional to 52,031.75, 71,804.03 and 28,158.42 is: 38,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.75 : 71,804.03 = 28,158.42 : x
  2. Step 2: Convert to fraction form
    52,031.75/71,804.03 = 28,158.42/x
  3. Step 3: Cross multiply
    52,031.75x = 71,804.03 × 28,158.42
  4. Step 4: Simplify right side
    52,031.75x = 2,021,888,034.43
  5. Step 5: Solve for x
    x = 2,021,888,034.43/52,031.75
  6. Step 6: Final answer
    x = 38,858.74

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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.