Home / 29,215.36-40,350.72-21,292.96

Finding the Fourth Proportional to 29,215.36, 40,350.72 and 21,292.96

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Solution

The fourth proportional to 29,215.36, 40,350.72 and 21,292.96 is: 29,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.36 : 40,350.72 = 21,292.96 : x
  2. Step 2: Convert to fraction form
    29,215.36/40,350.72 = 21,292.96/x
  3. Step 3: Cross multiply
    29,215.36x = 40,350.72 × 21,292.96
  4. Step 4: Simplify right side
    29,215.36x = 859,186,266.93
  5. Step 5: Solve for x
    x = 859,186,266.93/29,215.36
  6. Step 6: Final answer
    x = 29,408.72

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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.