Home / 69,869.22-96,421.59-39,653.88

Finding the Fourth Proportional to 69,869.22, 96,421.59 and 39,653.88

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Solution

The fourth proportional to 69,869.22, 96,421.59 and 39,653.88 is: 54,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.22 : 96,421.59 = 39,653.88 : x
  2. Step 2: Convert to fraction form
    69,869.22/96,421.59 = 39,653.88/x
  3. Step 3: Cross multiply
    69,869.22x = 96,421.59 × 39,653.88
  4. Step 4: Simplify right side
    69,869.22x = 3,823,490,159.27
  5. Step 5: Solve for x
    x = 3,823,490,159.27/69,869.22
  6. Step 6: Final answer
    x = 54,723.53

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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.