Home / 52,868.05-72,938.99-30,190.69

Finding the Fourth Proportional to 52,868.05, 72,938.99 and 30,190.69

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Solution

The fourth proportional to 52,868.05, 72,938.99 and 30,190.69 is: 41,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,868.05 : 72,938.99 = 30,190.69 : x
  2. Step 2: Convert to fraction form
    52,868.05/72,938.99 = 30,190.69/x
  3. Step 3: Cross multiply
    52,868.05x = 72,938.99 × 30,190.69
  4. Step 4: Simplify right side
    52,868.05x = 2,202,078,285.05
  5. Step 5: Solve for x
    x = 2,202,078,285.05/52,868.05
  6. Step 6: Final answer
    x = 41,652.35

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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.