Home / 36,130.64-49,862.72-20,216.57

Finding the Fourth Proportional to 36,130.64, 49,862.72 and 20,216.57

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Solution

The fourth proportional to 36,130.64, 49,862.72 and 20,216.57 is: 27,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.64 : 49,862.72 = 20,216.57 : x
  2. Step 2: Convert to fraction form
    36,130.64/49,862.72 = 20,216.57/x
  3. Step 3: Cross multiply
    36,130.64x = 49,862.72 × 20,216.57
  4. Step 4: Simplify right side
    36,130.64x = 1,008,052,970.50
  5. Step 5: Solve for x
    x = 1,008,052,970.50/36,130.64
  6. Step 6: Final answer
    x = 27,900.23

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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.