Home / 52,311.45-72,188.24-28,437.51

Finding the Fourth Proportional to 52,311.45, 72,188.24 and 28,437.51

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Solution

The fourth proportional to 52,311.45, 72,188.24 and 28,437.51 is: 39,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.45 : 72,188.24 = 28,437.51 : x
  2. Step 2: Convert to fraction form
    52,311.45/72,188.24 = 28,437.51/x
  3. Step 3: Cross multiply
    52,311.45x = 72,188.24 × 28,437.51
  4. Step 4: Simplify right side
    52,311.45x = 2,052,853,654.69
  5. Step 5: Solve for x
    x = 2,052,853,654.69/52,311.45
  6. Step 6: Final answer
    x = 39,242.91

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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.