Home / 52,189.81-71,922.50-51,230.14

Finding the Fourth Proportional to 52,189.81, 71,922.50 and 51,230.14

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Solution

The fourth proportional to 52,189.81, 71,922.50 and 51,230.14 is: 70,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189.81 : 71,922.50 = 51,230.14 : x
  2. Step 2: Convert to fraction form
    52,189.81/71,922.50 = 51,230.14/x
  3. Step 3: Cross multiply
    52,189.81x = 71,922.50 × 51,230.14
  4. Step 4: Simplify right side
    52,189.81x = 3,684,599,500.31
  5. Step 5: Solve for x
    x = 3,684,599,500.31/52,189.81
  6. Step 6: Final answer
    x = 70,599.98

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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.