Home / 29,203.68-40,312.80-21,667.44

Finding the Fourth Proportional to 29,203.68, 40,312.80 and 21,667.44

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Solution

The fourth proportional to 29,203.68, 40,312.80 and 21,667.44 is: 29,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.68 : 40,312.80 = 21,667.44 : x
  2. Step 2: Convert to fraction form
    29,203.68/40,312.80 = 21,667.44/x
  3. Step 3: Cross multiply
    29,203.68x = 40,312.80 × 21,667.44
  4. Step 4: Simplify right side
    29,203.68x = 873,475,175.23
  5. Step 5: Solve for x
    x = 873,475,175.23/29,203.68
  6. Step 6: Final answer
    x = 29,909.76

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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.