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Finding the Fourth Proportional to 39,386, 59,079 and 10,202

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Solution

The fourth proportional to 39,386, 59,079 and 10,202 is: 15,303

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386 : 59,079 = 10,202 : x
  2. Step 2: Convert to fraction form
    39,386/59,079 = 10,202/x
  3. Step 3: Cross multiply
    39,386x = 59,079 × 10,202
  4. Step 4: Simplify right side
    39,386x = 602,723,958
  5. Step 5: Solve for x
    x = 602,723,958/39,386
  6. Step 6: Final answer
    x = 15,303

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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.