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Finding the Fourth Proportional to 36,328.59, 50,133.90 and 21,988.24

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Solution

The fourth proportional to 36,328.59, 50,133.90 and 21,988.24 is: 30,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,328.59 : 50,133.90 = 21,988.24 : x
  2. Step 2: Convert to fraction form
    36,328.59/50,133.90 = 21,988.24/x
  3. Step 3: Cross multiply
    36,328.59x = 50,133.90 × 21,988.24
  4. Step 4: Simplify right side
    36,328.59x = 1,102,356,225.34
  5. Step 5: Solve for x
    x = 1,102,356,225.34/36,328.59
  6. Step 6: Final answer
    x = 30,344.04

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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.