Home / 39,488.96-54,496.24-21,585.18

Finding the Fourth Proportional to 39,488.96, 54,496.24 and 21,585.18

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Solution

The fourth proportional to 39,488.96, 54,496.24 and 21,585.18 is: 29,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.96 : 54,496.24 = 21,585.18 : x
  2. Step 2: Convert to fraction form
    39,488.96/54,496.24 = 21,585.18/x
  3. Step 3: Cross multiply
    39,488.96x = 54,496.24 × 21,585.18
  4. Step 4: Simplify right side
    39,488.96x = 1,176,311,149.72
  5. Step 5: Solve for x
    x = 1,176,311,149.72/39,488.96
  6. Step 6: Final answer
    x = 29,788.35

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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.