Home / 39,987.24-59,982.36-10,404.30

Finding the Fourth Proportional to 39,987.24, 59,982.36 and 10,404.30

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Solution

The fourth proportional to 39,987.24, 59,982.36 and 10,404.30 is: 15,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.24 : 59,982.36 = 10,404.30 : x
  2. Step 2: Convert to fraction form
    39,987.24/59,982.36 = 10,404.30/x
  3. Step 3: Cross multiply
    39,987.24x = 59,982.36 × 10,404.30
  4. Step 4: Simplify right side
    39,987.24x = 624,074,468.15
  5. Step 5: Solve for x
    x = 624,074,468.15/39,987.24
  6. Step 6: Final answer
    x = 15,606.84

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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.