Home / 39,788.76-59,683.16-10,206.60

Finding the Fourth Proportional to 39,788.76, 59,683.16 and 10,206.60

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Solution

The fourth proportional to 39,788.76, 59,683.16 and 10,206.60 is: 15,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.76 : 59,683.16 = 10,206.60 : x
  2. Step 2: Convert to fraction form
    39,788.76/59,683.16 = 10,206.60/x
  3. Step 3: Cross multiply
    39,788.76x = 59,683.16 × 10,206.60
  4. Step 4: Simplify right side
    39,788.76x = 609,162,089.82
  5. Step 5: Solve for x
    x = 609,162,089.82/39,788.76
  6. Step 6: Final answer
    x = 15,309.90

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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.