Home / 69,837.83-96,378.39-39,624.42

Finding the Fourth Proportional to 69,837.83, 96,378.39 and 39,624.42

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Solution

The fourth proportional to 69,837.83, 96,378.39 and 39,624.42 is: 54,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.83 : 96,378.39 = 39,624.42 : x
  2. Step 2: Convert to fraction form
    69,837.83/96,378.39 = 39,624.42/x
  3. Step 3: Cross multiply
    69,837.83x = 96,378.39 × 39,624.42
  4. Step 4: Simplify right side
    69,837.83x = 3,818,938,165.70
  5. Step 5: Solve for x
    x = 3,818,938,165.70/69,837.83
  6. Step 6: Final answer
    x = 54,682.95

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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.