Home / 31,100.72-46,707.34-28,597.35

Finding the Fourth Proportional to 31,100.72, 46,707.34 and 28,597.35

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Solution

The fourth proportional to 31,100.72, 46,707.34 and 28,597.35 is: 42,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.72 : 46,707.34 = 28,597.35 : x
  2. Step 2: Convert to fraction form
    31,100.72/46,707.34 = 28,597.35/x
  3. Step 3: Cross multiply
    31,100.72x = 46,707.34 × 28,597.35
  4. Step 4: Simplify right side
    31,100.72x = 1,335,706,243.53
  5. Step 5: Solve for x
    x = 1,335,706,243.53/31,100.72
  6. Step 6: Final answer
    x = 42,947.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.