Home / 31,023.81-46,543.01-13,498.65

Finding the Fourth Proportional to 31,023.81, 46,543.01 and 13,498.65

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Solution

The fourth proportional to 31,023.81, 46,543.01 and 13,498.65 is: 20,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.81 : 46,543.01 = 13,498.65 : x
  2. Step 2: Convert to fraction form
    31,023.81/46,543.01 = 13,498.65/x
  3. Step 3: Cross multiply
    31,023.81x = 46,543.01 × 13,498.65
  4. Step 4: Simplify right side
    31,023.81x = 628,267,734.44
  5. Step 5: Solve for x
    x = 628,267,734.44/31,023.81
  6. Step 6: Final answer
    x = 20,251.15

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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.