Home / 29,421.12-44,134.40-8,361.60

Finding the Fourth Proportional to 29,421.12, 44,134.40 and 8,361.60

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Solution

The fourth proportional to 29,421.12, 44,134.40 and 8,361.60 is: 12,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.12 : 44,134.40 = 8,361.60 : x
  2. Step 2: Convert to fraction form
    29,421.12/44,134.40 = 8,361.60/x
  3. Step 3: Cross multiply
    29,421.12x = 44,134.40 × 8,361.60
  4. Step 4: Simplify right side
    29,421.12x = 369,034,199.04
  5. Step 5: Solve for x
    x = 369,034,199.04/29,421.12
  6. Step 6: Final answer
    x = 12,543.17

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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.