Home / 50,984.40-76,476.60-21,459.90

Finding the Fourth Proportional to 50,984.40, 76,476.60 and 21,459.90

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Solution

The fourth proportional to 50,984.40, 76,476.60 and 21,459.90 is: 32,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,984.40 : 76,476.60 = 21,459.90 : x
  2. Step 2: Convert to fraction form
    50,984.40/76,476.60 = 21,459.90/x
  3. Step 3: Cross multiply
    50,984.40x = 76,476.60 × 21,459.90
  4. Step 4: Simplify right side
    50,984.40x = 1,641,180,188.34
  5. Step 5: Solve for x
    x = 1,641,180,188.34/50,984.40
  6. Step 6: Final answer
    x = 32,189.85

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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.