Home / 51,585.71-71,200.93-31,453.68

Finding the Fourth Proportional to 51,585.71, 71,200.93 and 31,453.68

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Solution

The fourth proportional to 51,585.71, 71,200.93 and 31,453.68 is: 43,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.71 : 71,200.93 = 31,453.68 : x
  2. Step 2: Convert to fraction form
    51,585.71/71,200.93 = 31,453.68/x
  3. Step 3: Cross multiply
    51,585.71x = 71,200.93 × 31,453.68
  4. Step 4: Simplify right side
    51,585.71x = 2,239,531,267.92
  5. Step 5: Solve for x
    x = 2,239,531,267.92/51,585.71
  6. Step 6: Final answer
    x = 43,413.79

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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.