Home / 35,637.37-49,177.53-19,720.87

Finding the Fourth Proportional to 35,637.37, 49,177.53 and 19,720.87

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Solution

The fourth proportional to 35,637.37, 49,177.53 and 19,720.87 is: 27,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.37 : 49,177.53 = 19,720.87 : x
  2. Step 2: Convert to fraction form
    35,637.37/49,177.53 = 19,720.87/x
  3. Step 3: Cross multiply
    35,637.37x = 49,177.53 × 19,720.87
  4. Step 4: Simplify right side
    35,637.37x = 969,823,553.11
  5. Step 5: Solve for x
    x = 969,823,553.11/35,637.37
  6. Step 6: Final answer
    x = 27,213.67

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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.