Home / 36,140.30-49,875.70-20,224.60

Finding the Fourth Proportional to 36,140.30, 49,875.70 and 20,224.60

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Solution

The fourth proportional to 36,140.30, 49,875.70 and 20,224.60 is: 27,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.30 : 49,875.70 = 20,224.60 : x
  2. Step 2: Convert to fraction form
    36,140.30/49,875.70 = 20,224.60/x
  3. Step 3: Cross multiply
    36,140.30x = 49,875.70 × 20,224.60
  4. Step 4: Simplify right side
    36,140.30x = 1,008,716,082.22
  5. Step 5: Solve for x
    x = 1,008,716,082.22/36,140.30
  6. Step 6: Final answer
    x = 27,911.12

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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.