Home / 43,565.04-65,360.04-13,982.16

Finding the Fourth Proportional to 43,565.04, 65,360.04 and 13,982.16

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Solution

The fourth proportional to 43,565.04, 65,360.04 and 13,982.16 is: 20,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.04 : 65,360.04 = 13,982.16 : x
  2. Step 2: Convert to fraction form
    43,565.04/65,360.04 = 13,982.16/x
  3. Step 3: Cross multiply
    43,565.04x = 65,360.04 × 13,982.16
  4. Step 4: Simplify right side
    43,565.04x = 913,874,536.89
  5. Step 5: Solve for x
    x = 913,874,536.89/43,565.04
  6. Step 6: Final answer
    x = 20,977.25

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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.