Home / 39,683.94-59,496.78-18,922.02

Finding the Fourth Proportional to 39,683.94, 59,496.78 and 18,922.02

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Solution

The fourth proportional to 39,683.94, 59,496.78 and 18,922.02 is: 28,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.94 : 59,496.78 = 18,922.02 : x
  2. Step 2: Convert to fraction form
    39,683.94/59,496.78 = 18,922.02/x
  3. Step 3: Cross multiply
    39,683.94x = 59,496.78 × 18,922.02
  4. Step 4: Simplify right side
    39,683.94x = 1,125,799,261.10
  5. Step 5: Solve for x
    x = 1,125,799,261.10/39,683.94
  6. Step 6: Final answer
    x = 28,369.14

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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.