Home / 39,771.09-59,655.24-10,189.20

Finding the Fourth Proportional to 39,771.09, 59,655.24 and 10,189.20

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Solution

The fourth proportional to 39,771.09, 59,655.24 and 10,189.20 is: 15,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.09 : 59,655.24 = 10,189.20 : x
  2. Step 2: Convert to fraction form
    39,771.09/59,655.24 = 10,189.20/x
  3. Step 3: Cross multiply
    39,771.09x = 59,655.24 × 10,189.20
  4. Step 4: Simplify right side
    39,771.09x = 607,839,171.41
  5. Step 5: Solve for x
    x = 607,839,171.41/39,771.09
  6. Step 6: Final answer
    x = 15,283.44

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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.