Home / 31,742.31-47,559.87-19,224.57

Finding the Fourth Proportional to 31,742.31, 47,559.87 and 19,224.57

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Solution

The fourth proportional to 31,742.31, 47,559.87 and 19,224.57 is: 28,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.31 : 47,559.87 = 19,224.57 : x
  2. Step 2: Convert to fraction form
    31,742.31/47,559.87 = 19,224.57/x
  3. Step 3: Cross multiply
    31,742.31x = 47,559.87 × 19,224.57
  4. Step 4: Simplify right side
    31,742.31x = 914,318,050.01
  5. Step 5: Solve for x
    x = 914,318,050.01/31,742.31
  6. Step 6: Final answer
    x = 28,804.40

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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.