Home / 40,489.53-60,727.40-10,900.77

Finding the Fourth Proportional to 40,489.53, 60,727.40 and 10,900.77

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Solution

The fourth proportional to 40,489.53, 60,727.40 and 10,900.77 is: 16,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.53 : 60,727.40 = 10,900.77 : x
  2. Step 2: Convert to fraction form
    40,489.53/60,727.40 = 10,900.77/x
  3. Step 3: Cross multiply
    40,489.53x = 60,727.40 × 10,900.77
  4. Step 4: Simplify right side
    40,489.53x = 661,975,365.59
  5. Step 5: Solve for x
    x = 661,975,365.59/40,489.53
  6. Step 6: Final answer
    x = 16,349.30

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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.