Home / 50,821.16-70,200.09-39,030.20

Finding the Fourth Proportional to 50,821.16, 70,200.09 and 39,030.20

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Solution

The fourth proportional to 50,821.16, 70,200.09 and 39,030.20 is: 53,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.16 : 70,200.09 = 39,030.20 : x
  2. Step 2: Convert to fraction form
    50,821.16/70,200.09 = 39,030.20/x
  3. Step 3: Cross multiply
    50,821.16x = 70,200.09 × 39,030.20
  4. Step 4: Simplify right side
    50,821.16x = 2,739,923,201.72
  5. Step 5: Solve for x
    x = 2,739,923,201.72/50,821.16
  6. Step 6: Final answer
    x = 53,913.04

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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.