Home / 52,031.07-71,803.05-28,157.73

Finding the Fourth Proportional to 52,031.07, 71,803.05 and 28,157.73

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Solution

The fourth proportional to 52,031.07, 71,803.05 and 28,157.73 is: 38,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.07 : 71,803.05 = 28,157.73 : x
  2. Step 2: Convert to fraction form
    52,031.07/71,803.05 = 28,157.73/x
  3. Step 3: Cross multiply
    52,031.07x = 71,803.05 × 28,157.73
  4. Step 4: Simplify right side
    52,031.07x = 2,021,810,895.08
  5. Step 5: Solve for x
    x = 2,021,810,895.08/52,031.07
  6. Step 6: Final answer
    x = 38,857.76

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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.