Home / 36,140.34-49,867.11-20,824.50

Finding the Fourth Proportional to 36,140.34, 49,867.11 and 20,824.50

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Solution

The fourth proportional to 36,140.34, 49,867.11 and 20,824.50 is: 28,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.34 : 49,867.11 = 20,824.50 : x
  2. Step 2: Convert to fraction form
    36,140.34/49,867.11 = 20,824.50/x
  3. Step 3: Cross multiply
    36,140.34x = 49,867.11 × 20,824.50
  4. Step 4: Simplify right side
    36,140.34x = 1,038,457,632.20
  5. Step 5: Solve for x
    x = 1,038,457,632.20/36,140.34
  6. Step 6: Final answer
    x = 28,734.03

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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.