Home / 39,704.64-59,532.48-13,406.88

Finding the Fourth Proportional to 39,704.64, 59,532.48 and 13,406.88

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Solution

The fourth proportional to 39,704.64, 59,532.48 and 13,406.88 is: 20,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,704.64 : 59,532.48 = 13,406.88 : x
  2. Step 2: Convert to fraction form
    39,704.64/59,532.48 = 13,406.88/x
  3. Step 3: Cross multiply
    39,704.64x = 59,532.48 × 13,406.88
  4. Step 4: Simplify right side
    39,704.64x = 798,144,815.46
  5. Step 5: Solve for x
    x = 798,144,815.46/39,704.64
  6. Step 6: Final answer
    x = 20,102.05

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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.