Home / 56,379.76-77,806.54-31,229.26

Finding the Fourth Proportional to 56,379.76, 77,806.54 and 31,229.26

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Solution

The fourth proportional to 56,379.76, 77,806.54 and 31,229.26 is: 43,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.76 : 77,806.54 = 31,229.26 : x
  2. Step 2: Convert to fraction form
    56,379.76/77,806.54 = 31,229.26/x
  3. Step 3: Cross multiply
    56,379.76x = 77,806.54 × 31,229.26
  4. Step 4: Simplify right side
    56,379.76x = 2,429,840,667.36
  5. Step 5: Solve for x
    x = 2,429,840,667.36/56,379.76
  6. Step 6: Final answer
    x = 43,097.75

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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.