Home / 43,353.84-64,999.68-18,380.16

Finding the Fourth Proportional to 43,353.84, 64,999.68 and 18,380.16

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Solution

The fourth proportional to 43,353.84, 64,999.68 and 18,380.16 is: 27,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,353.84 : 64,999.68 = 18,380.16 : x
  2. Step 2: Convert to fraction form
    43,353.84/64,999.68 = 18,380.16/x
  3. Step 3: Cross multiply
    43,353.84x = 64,999.68 × 18,380.16
  4. Step 4: Simplify right side
    43,353.84x = 1,194,704,518.35
  5. Step 5: Solve for x
    x = 1,194,704,518.35/43,353.84
  6. Step 6: Final answer
    x = 27,557.06

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1.5x scale

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.