Home / 39,487.05-59,213.30-11,779.53

Finding the Fourth Proportional to 39,487.05, 59,213.30 and 11,779.53

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Solution

The fourth proportional to 39,487.05, 59,213.30 and 11,779.53 is: 17,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.05 : 59,213.30 = 11,779.53 : x
  2. Step 2: Convert to fraction form
    39,487.05/59,213.30 = 11,779.53/x
  3. Step 3: Cross multiply
    39,487.05x = 59,213.30 × 11,779.53
  4. Step 4: Simplify right side
    39,487.05x = 697,504,784.85
  5. Step 5: Solve for x
    x = 697,504,784.85/39,487.05
  6. Step 6: Final answer
    x = 17,664.14

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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.