Home / 31,071.27-42,903.67-25,329.65

Finding the Fourth Proportional to 31,071.27, 42,903.67 and 25,329.65

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Solution

The fourth proportional to 31,071.27, 42,903.67 and 25,329.65 is: 34,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071.27 : 42,903.67 = 25,329.65 : x
  2. Step 2: Convert to fraction form
    31,071.27/42,903.67 = 25,329.65/x
  3. Step 3: Cross multiply
    31,071.27x = 42,903.67 × 25,329.65
  4. Step 4: Simplify right side
    31,071.27x = 1,086,734,944.82
  5. Step 5: Solve for x
    x = 1,086,734,944.82/31,071.27
  6. Step 6: Final answer
    x = 34,975.56

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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.