Home / 35,636.55-49,177.22-19,721.67

Finding the Fourth Proportional to 35,636.55, 49,177.22 and 19,721.67

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Solution

The fourth proportional to 35,636.55, 49,177.22 and 19,721.67 is: 27,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.55 : 49,177.22 = 19,721.67 : x
  2. Step 2: Convert to fraction form
    35,636.55/49,177.22 = 19,721.67/x
  3. Step 3: Cross multiply
    35,636.55x = 49,177.22 × 19,721.67
  4. Step 4: Simplify right side
    35,636.55x = 969,856,904.36
  5. Step 5: Solve for x
    x = 969,856,904.36/35,636.55
  6. Step 6: Final answer
    x = 27,215.23

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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.