Home / 39,851.10-59,785.88-13,555.84

Finding the Fourth Proportional to 39,851.10, 59,785.88 and 13,555.84

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Solution

The fourth proportional to 39,851.10, 59,785.88 and 13,555.84 is: 20,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.10 : 59,785.88 = 13,555.84 : x
  2. Step 2: Convert to fraction form
    39,851.10/59,785.88 = 13,555.84/x
  3. Step 3: Cross multiply
    39,851.10x = 59,785.88 × 13,555.84
  4. Step 4: Simplify right side
    39,851.10x = 810,447,823.54
  5. Step 5: Solve for x
    x = 810,447,823.54/39,851.10
  6. Step 6: Final answer
    x = 20,336.90

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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.