Home / 36,140.85-49,875.35-20,225.77

Finding the Fourth Proportional to 36,140.85, 49,875.35 and 20,225.77

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Solution

The fourth proportional to 36,140.85, 49,875.35 and 20,225.77 is: 27,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.85 : 49,875.35 = 20,225.77 : x
  2. Step 2: Convert to fraction form
    36,140.85/49,875.35 = 20,225.77/x
  3. Step 3: Cross multiply
    36,140.85x = 49,875.35 × 20,225.77
  4. Step 4: Simplify right side
    36,140.85x = 1,008,767,131.95
  5. Step 5: Solve for x
    x = 1,008,767,131.95/36,140.85
  6. Step 6: Final answer
    x = 27,912.10

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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.