Home / 41,990.40-62,985.60-14,288.48

Finding the Fourth Proportional to 41,990.40, 62,985.60 and 14,288.48

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Solution

The fourth proportional to 41,990.40, 62,985.60 and 14,288.48 is: 21,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.40 : 62,985.60 = 14,288.48 : x
  2. Step 2: Convert to fraction form
    41,990.40/62,985.60 = 14,288.48/x
  3. Step 3: Cross multiply
    41,990.40x = 62,985.60 × 14,288.48
  4. Step 4: Simplify right side
    41,990.40x = 899,968,485.89
  5. Step 5: Solve for x
    x = 899,968,485.89/41,990.40
  6. Step 6: Final answer
    x = 21,432.72

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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.