Home / 51,065.20-70,489.12-29,851.36

Finding the Fourth Proportional to 51,065.20, 70,489.12 and 29,851.36

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Solution

The fourth proportional to 51,065.20, 70,489.12 and 29,851.36 is: 41,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.20 : 70,489.12 = 29,851.36 : x
  2. Step 2: Convert to fraction form
    51,065.20/70,489.12 = 29,851.36/x
  3. Step 3: Cross multiply
    51,065.20x = 70,489.12 × 29,851.36
  4. Step 4: Simplify right side
    51,065.20x = 2,104,196,097.20
  5. Step 5: Solve for x
    x = 2,104,196,097.20/51,065.20
  6. Step 6: Final answer
    x = 41,206.07

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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.