Home / 51,298.26-70,821.05-39,103.00

Finding the Fourth Proportional to 51,298.26, 70,821.05 and 39,103.00

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Solution

The fourth proportional to 51,298.26, 70,821.05 and 39,103.00 is: 53,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.26 : 70,821.05 = 39,103.00 : x
  2. Step 2: Convert to fraction form
    51,298.26/70,821.05 = 39,103.00/x
  3. Step 3: Cross multiply
    51,298.26x = 70,821.05 × 39,103.00
  4. Step 4: Simplify right side
    51,298.26x = 2,769,315,695.20
  5. Step 5: Solve for x
    x = 2,769,315,695.20/51,298.26
  6. Step 6: Final answer
    x = 53,984.59

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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.