Home / 56,171.54-77,516.67-31,020.98

Finding the Fourth Proportional to 56,171.54, 77,516.67 and 31,020.98

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Solution

The fourth proportional to 56,171.54, 77,516.67 and 31,020.98 is: 42,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171.54 : 77,516.67 = 31,020.98 : x
  2. Step 2: Convert to fraction form
    56,171.54/77,516.67 = 31,020.98/x
  3. Step 3: Cross multiply
    56,171.54x = 77,516.67 × 31,020.98
  4. Step 4: Simplify right side
    56,171.54x = 2,404,643,069.74
  5. Step 5: Solve for x
    x = 2,404,643,069.74/56,171.54
  6. Step 6: Final answer
    x = 42,808.92

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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.