Home / 31,259.13-46,878.90-9,074.04

Finding the Fourth Proportional to 31,259.13, 46,878.90 and 9,074.04

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Solution

The fourth proportional to 31,259.13, 46,878.90 and 9,074.04 is: 13,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.13 : 46,878.90 = 9,074.04 : x
  2. Step 2: Convert to fraction form
    31,259.13/46,878.90 = 9,074.04/x
  3. Step 3: Cross multiply
    31,259.13x = 46,878.90 × 9,074.04
  4. Step 4: Simplify right side
    31,259.13x = 425,381,013.76
  5. Step 5: Solve for x
    x = 425,381,013.76/31,259.13
  6. Step 6: Final answer
    x = 13,608.22

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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.