Home / 39,488.55-54,493.29-21,583.68

Finding the Fourth Proportional to 39,488.55, 54,493.29 and 21,583.68

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Solution

The fourth proportional to 39,488.55, 54,493.29 and 21,583.68 is: 29,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.55 : 54,493.29 = 21,583.68 : x
  2. Step 2: Convert to fraction form
    39,488.55/54,493.29 = 21,583.68/x
  3. Step 3: Cross multiply
    39,488.55x = 54,493.29 × 21,583.68
  4. Step 4: Simplify right side
    39,488.55x = 1,176,165,733.51
  5. Step 5: Solve for x
    x = 1,176,165,733.51/39,488.55
  6. Step 6: Final answer
    x = 29,784.98

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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.