Home / 40,515.23-55,914.10-22,369.45

Finding the Fourth Proportional to 40,515.23, 55,914.10 and 22,369.45

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Solution

The fourth proportional to 40,515.23, 55,914.10 and 22,369.45 is: 30,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.23 : 55,914.10 = 22,369.45 : x
  2. Step 2: Convert to fraction form
    40,515.23/55,914.10 = 22,369.45/x
  3. Step 3: Cross multiply
    40,515.23x = 55,914.10 × 22,369.45
  4. Step 4: Simplify right side
    40,515.23x = 1,250,767,384.67
  5. Step 5: Solve for x
    x = 1,250,767,384.67/40,515.23
  6. Step 6: Final answer
    x = 30,871.54

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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.