Home / 69,837.77-96,378.30-39,624.37

Finding the Fourth Proportional to 69,837.77, 96,378.30 and 39,624.37

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Solution

The fourth proportional to 69,837.77, 96,378.30 and 39,624.37 is: 54,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.77 : 96,378.30 = 39,624.37 : x
  2. Step 2: Convert to fraction form
    69,837.77/96,378.30 = 39,624.37/x
  3. Step 3: Cross multiply
    69,837.77x = 96,378.30 × 39,624.37
  4. Step 4: Simplify right side
    69,837.77x = 3,818,928,739.16
  5. Step 5: Solve for x
    x = 3,818,928,739.16/69,837.77
  6. Step 6: Final answer
    x = 54,682.86

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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.