Home / 51,931.12-71,662.86-29,274.82

Finding the Fourth Proportional to 51,931.12, 71,662.86 and 29,274.82

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Solution

The fourth proportional to 51,931.12, 71,662.86 and 29,274.82 is: 40,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.12 : 71,662.86 = 29,274.82 : x
  2. Step 2: Convert to fraction form
    51,931.12/71,662.86 = 29,274.82/x
  3. Step 3: Cross multiply
    51,931.12x = 71,662.86 × 29,274.82
  4. Step 4: Simplify right side
    51,931.12x = 2,097,917,327.19
  5. Step 5: Solve for x
    x = 2,097,917,327.19/51,931.12
  6. Step 6: Final answer
    x = 40,398.08

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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.