Home / 43,412.41-65,117.93-13,830.04

Finding the Fourth Proportional to 43,412.41, 65,117.93 and 13,830.04

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Solution

The fourth proportional to 43,412.41, 65,117.93 and 13,830.04 is: 20,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.41 : 65,117.93 = 13,830.04 : x
  2. Step 2: Convert to fraction form
    43,412.41/65,117.93 = 13,830.04/x
  3. Step 3: Cross multiply
    43,412.41x = 65,117.93 × 13,830.04
  4. Step 4: Simplify right side
    43,412.41x = 900,583,588.86
  5. Step 5: Solve for x
    x = 900,583,588.86/43,412.41
  6. Step 6: Final answer
    x = 20,744.84

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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.