Home / 40,288.96-60,439.84-14,001.60

Finding the Fourth Proportional to 40,288.96, 60,439.84 and 14,001.60

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Solution

The fourth proportional to 40,288.96, 60,439.84 and 14,001.60 is: 21,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.96 : 60,439.84 = 14,001.60 : x
  2. Step 2: Convert to fraction form
    40,288.96/60,439.84 = 14,001.60/x
  3. Step 3: Cross multiply
    40,288.96x = 60,439.84 × 14,001.60
  4. Step 4: Simplify right side
    40,288.96x = 846,254,463.74
  5. Step 5: Solve for x
    x = 846,254,463.74/40,288.96
  6. Step 6: Final answer
    x = 21,004.62

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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.