Home / 39,573.92-54,612.12-21,670.59

Finding the Fourth Proportional to 39,573.92, 54,612.12 and 21,670.59

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Solution

The fourth proportional to 39,573.92, 54,612.12 and 21,670.59 is: 29,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.92 : 54,612.12 = 21,670.59 : x
  2. Step 2: Convert to fraction form
    39,573.92/54,612.12 = 21,670.59/x
  3. Step 3: Cross multiply
    39,573.92x = 54,612.12 × 21,670.59
  4. Step 4: Simplify right side
    39,573.92x = 1,183,476,840.42
  5. Step 5: Solve for x
    x = 1,183,476,840.42/39,573.92
  6. Step 6: Final answer
    x = 29,905.48

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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.