Home / 52,102.24-71,907.60-30,889.60

Finding the Fourth Proportional to 52,102.24, 71,907.60 and 30,889.60

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Solution

The fourth proportional to 52,102.24, 71,907.60 and 30,889.60 is: 42,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,102.24 : 71,907.60 = 30,889.60 : x
  2. Step 2: Convert to fraction form
    52,102.24/71,907.60 = 30,889.60/x
  3. Step 3: Cross multiply
    52,102.24x = 71,907.60 × 30,889.60
  4. Step 4: Simplify right side
    52,102.24x = 2,221,197,000.96
  5. Step 5: Solve for x
    x = 2,221,197,000.96/52,102.24
  6. Step 6: Final answer
    x = 42,631.51

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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.