Home / 39,715.02-59,455.33-20,954.68

Finding the Fourth Proportional to 39,715.02, 59,455.33 and 20,954.68

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Solution

The fourth proportional to 39,715.02, 59,455.33 and 20,954.68 is: 31,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.02 : 59,455.33 = 20,954.68 : x
  2. Step 2: Convert to fraction form
    39,715.02/59,455.33 = 20,954.68/x
  3. Step 3: Cross multiply
    39,715.02x = 59,455.33 × 20,954.68
  4. Step 4: Simplify right side
    39,715.02x = 1,245,867,213.42
  5. Step 5: Solve for x
    x = 1,245,867,213.42/39,715.02
  6. Step 6: Final answer
    x = 31,370.18

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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.