Home / 35,438.85-53,139.81-16,713.86

Finding the Fourth Proportional to 35,438.85, 53,139.81 and 16,713.86

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Solution

The fourth proportional to 35,438.85, 53,139.81 and 16,713.86 is: 25,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.85 : 53,139.81 = 16,713.86 : x
  2. Step 2: Convert to fraction form
    35,438.85/53,139.81 = 16,713.86/x
  3. Step 3: Cross multiply
    35,438.85x = 53,139.81 × 16,713.86
  4. Step 4: Simplify right side
    35,438.85x = 888,171,160.43
  5. Step 5: Solve for x
    x = 888,171,160.43/35,438.85
  6. Step 6: Final answer
    x = 25,062.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.