Home / 52,311.42-72,189.81-28,438.02

Finding the Fourth Proportional to 52,311.42, 72,189.81 and 28,438.02

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Solution

The fourth proportional to 52,311.42, 72,189.81 and 28,438.02 is: 39,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.42 : 72,189.81 = 28,438.02 : x
  2. Step 2: Convert to fraction form
    52,311.42/72,189.81 = 28,438.02/x
  3. Step 3: Cross multiply
    52,311.42x = 72,189.81 × 28,438.02
  4. Step 4: Simplify right side
    52,311.42x = 2,052,935,260.58
  5. Step 5: Solve for x
    x = 2,052,935,260.58/52,311.42
  6. Step 6: Final answer
    x = 39,244.49

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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.