Home / 29,654.32-40,866.72-21,256.24

Finding the Fourth Proportional to 29,654.32, 40,866.72 and 21,256.24

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Solution

The fourth proportional to 29,654.32, 40,866.72 and 21,256.24 is: 29,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,654.32 : 40,866.72 = 21,256.24 : x
  2. Step 2: Convert to fraction form
    29,654.32/40,866.72 = 21,256.24/x
  3. Step 3: Cross multiply
    29,654.32x = 40,866.72 × 21,256.24
  4. Step 4: Simplify right side
    29,654.32x = 868,672,808.33
  5. Step 5: Solve for x
    x = 868,672,808.33/29,654.32
  6. Step 6: Final answer
    x = 29,293.30

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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.