Home / 39,595.24-54,641.45-21,690.89

Finding the Fourth Proportional to 39,595.24, 54,641.45 and 21,690.89

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Solution

The fourth proportional to 39,595.24, 54,641.45 and 21,690.89 is: 29,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,595.24 : 54,641.45 = 21,690.89 : x
  2. Step 2: Convert to fraction form
    39,595.24/54,641.45 = 21,690.89/x
  3. Step 3: Cross multiply
    39,595.24x = 54,641.45 × 21,690.89
  4. Step 4: Simplify right side
    39,595.24x = 1,185,221,681.39
  5. Step 5: Solve for x
    x = 1,185,221,681.39/39,595.24
  6. Step 6: Final answer
    x = 29,933.44

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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.