Home / 39,969.72-59,904.18-20,253.24

Finding the Fourth Proportional to 39,969.72, 59,904.18 and 20,253.24

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Solution

The fourth proportional to 39,969.72, 59,904.18 and 20,253.24 is: 30,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.72 : 59,904.18 = 20,253.24 : x
  2. Step 2: Convert to fraction form
    39,969.72/59,904.18 = 20,253.24/x
  3. Step 3: Cross multiply
    39,969.72x = 59,904.18 × 20,253.24
  4. Step 4: Simplify right side
    39,969.72x = 1,213,253,734.54
  5. Step 5: Solve for x
    x = 1,213,253,734.54/39,969.72
  6. Step 6: Final answer
    x = 30,354.32

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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.