Home / 39,788.66-59,678.54-10,207.20

Finding the Fourth Proportional to 39,788.66, 59,678.54 and 10,207.20

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Solution

The fourth proportional to 39,788.66, 59,678.54 and 10,207.20 is: 15,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.66 : 59,678.54 = 10,207.20 : x
  2. Step 2: Convert to fraction form
    39,788.66/59,678.54 = 10,207.20/x
  3. Step 3: Cross multiply
    39,788.66x = 59,678.54 × 10,207.20
  4. Step 4: Simplify right side
    39,788.66x = 609,150,793.49
  5. Step 5: Solve for x
    x = 609,150,793.49/39,788.66
  6. Step 6: Final answer
    x = 15,309.66

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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.