Home / 39,683.52-59,540.24-20,962.80

Finding the Fourth Proportional to 39,683.52, 59,540.24 and 20,962.80

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Solution

The fourth proportional to 39,683.52, 59,540.24 and 20,962.80 is: 31,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.52 : 59,540.24 = 20,962.80 : x
  2. Step 2: Convert to fraction form
    39,683.52/59,540.24 = 20,962.80/x
  3. Step 3: Cross multiply
    39,683.52x = 59,540.24 × 20,962.80
  4. Step 4: Simplify right side
    39,683.52x = 1,248,130,143.07
  5. Step 5: Solve for x
    x = 1,248,130,143.07/39,683.52
  6. Step 6: Final answer
    x = 31,452.10

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1.5x scale

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.