Home / 39,506.79-59,247.86-13,205.38

Finding the Fourth Proportional to 39,506.79, 59,247.86 and 13,205.38

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Solution

The fourth proportional to 39,506.79, 59,247.86 and 13,205.38 is: 19,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,506.79 : 59,247.86 = 13,205.38 : x
  2. Step 2: Convert to fraction form
    39,506.79/59,247.86 = 13,205.38/x
  3. Step 3: Cross multiply
    39,506.79x = 59,247.86 × 13,205.38
  4. Step 4: Simplify right side
    39,506.79x = 782,390,402.43
  5. Step 5: Solve for x
    x = 782,390,402.43/39,506.79
  6. Step 6: Final answer
    x = 19,803.95

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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.