Home / 40,715.53-56,189.73-22,816.30

Finding the Fourth Proportional to 40,715.53, 56,189.73 and 22,816.30

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Solution

The fourth proportional to 40,715.53, 56,189.73 and 22,816.30 is: 31,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.53 : 56,189.73 = 22,816.30 : x
  2. Step 2: Convert to fraction form
    40,715.53/56,189.73 = 22,816.30/x
  3. Step 3: Cross multiply
    40,715.53x = 56,189.73 × 22,816.30
  4. Step 4: Simplify right side
    40,715.53x = 1,282,041,736.60
  5. Step 5: Solve for x
    x = 1,282,041,736.60/40,715.53
  6. Step 6: Final answer
    x = 31,487.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.