Home / 40,285.24-60,420.30-13,984.60

Finding the Fourth Proportional to 40,285.24, 60,420.30 and 13,984.60

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Solution

The fourth proportional to 40,285.24, 60,420.30 and 13,984.60 is: 20,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.24 : 60,420.30 = 13,984.60 : x
  2. Step 2: Convert to fraction form
    40,285.24/60,420.30 = 13,984.60/x
  3. Step 3: Cross multiply
    40,285.24x = 60,420.30 × 13,984.60
  4. Step 4: Simplify right side
    40,285.24x = 844,953,727.38
  5. Step 5: Solve for x
    x = 844,953,727.38/40,285.24
  6. Step 6: Final answer
    x = 20,974.28

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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.