Home / 51,928.11-71,658.73-29,271.81

Finding the Fourth Proportional to 51,928.11, 71,658.73 and 29,271.81

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Solution

The fourth proportional to 51,928.11, 71,658.73 and 29,271.81 is: 40,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.11 : 71,658.73 = 29,271.81 : x
  2. Step 2: Convert to fraction form
    51,928.11/71,658.73 = 29,271.81/x
  3. Step 3: Cross multiply
    51,928.11x = 71,658.73 × 29,271.81
  4. Step 4: Simplify right side
    51,928.11x = 2,097,580,729.40
  5. Step 5: Solve for x
    x = 2,097,580,729.40/51,928.11
  6. Step 6: Final answer
    x = 40,393.94

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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.