Home / 51,239.03-70,710.26-28,579.46

Finding the Fourth Proportional to 51,239.03, 70,710.26 and 28,579.46

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Solution

The fourth proportional to 51,239.03, 70,710.26 and 28,579.46 is: 39,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.03 : 70,710.26 = 28,579.46 : x
  2. Step 2: Convert to fraction form
    51,239.03/70,710.26 = 28,579.46/x
  3. Step 3: Cross multiply
    51,239.03x = 70,710.26 × 28,579.46
  4. Step 4: Simplify right side
    51,239.03x = 2,020,861,047.26
  5. Step 5: Solve for x
    x = 2,020,861,047.26/51,239.03
  6. Step 6: Final answer
    x = 39,439.88

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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.