Home / 47,199.79-65,136.18-25,979.50

Finding the Fourth Proportional to 47,199.79, 65,136.18 and 25,979.50

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Solution

The fourth proportional to 47,199.79, 65,136.18 and 25,979.50 is: 35,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.79 : 65,136.18 = 25,979.50 : x
  2. Step 2: Convert to fraction form
    47,199.79/65,136.18 = 25,979.50/x
  3. Step 3: Cross multiply
    47,199.79x = 65,136.18 × 25,979.50
  4. Step 4: Simplify right side
    47,199.79x = 1,692,205,388.31
  5. Step 5: Solve for x
    x = 1,692,205,388.31/47,199.79
  6. Step 6: Final answer
    x = 35,851.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.