Home / 35,247.04-48,636.41-20,140.67

Finding the Fourth Proportional to 35,247.04, 48,636.41 and 20,140.67

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Solution

The fourth proportional to 35,247.04, 48,636.41 and 20,140.67 is: 27,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,247.04 : 48,636.41 = 20,140.67 : x
  2. Step 2: Convert to fraction form
    35,247.04/48,636.41 = 20,140.67/x
  3. Step 3: Cross multiply
    35,247.04x = 48,636.41 × 20,140.67
  4. Step 4: Simplify right side
    35,247.04x = 979,569,904.68
  5. Step 5: Solve for x
    x = 979,569,904.68/35,247.04
  6. Step 6: Final answer
    x = 27,791.55

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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.