Home / 39,585.62-54,626.07-21,680.24

Finding the Fourth Proportional to 39,585.62, 54,626.07 and 21,680.24

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Solution

The fourth proportional to 39,585.62, 54,626.07 and 21,680.24 is: 29,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.62 : 54,626.07 = 21,680.24 : x
  2. Step 2: Convert to fraction form
    39,585.62/54,626.07 = 21,680.24/x
  3. Step 3: Cross multiply
    39,585.62x = 54,626.07 × 21,680.24
  4. Step 4: Simplify right side
    39,585.62x = 1,184,306,307.86
  5. Step 5: Solve for x
    x = 1,184,306,307.86/39,585.62
  6. Step 6: Final answer
    x = 29,917.59

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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.