Home / 39,990.02-60,021.93-20,282.42

Finding the Fourth Proportional to 39,990.02, 60,021.93 and 20,282.42

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Solution

The fourth proportional to 39,990.02, 60,021.93 and 20,282.42 is: 30,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,990.02 : 60,021.93 = 20,282.42 : x
  2. Step 2: Convert to fraction form
    39,990.02/60,021.93 = 20,282.42/x
  3. Step 3: Cross multiply
    39,990.02x = 60,021.93 × 20,282.42
  4. Step 4: Simplify right side
    39,990.02x = 1,217,389,693.36
  5. Step 5: Solve for x
    x = 1,217,389,693.36/39,990.02
  6. Step 6: Final answer
    x = 30,442.34

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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.