Home / 64,606.17-96,909.66-20,229.51

Finding the Fourth Proportional to 64,606.17, 96,909.66 and 20,229.51

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Solution

The fourth proportional to 64,606.17, 96,909.66 and 20,229.51 is: 30,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.17 : 96,909.66 = 20,229.51 : x
  2. Step 2: Convert to fraction form
    64,606.17/96,909.66 = 20,229.51/x
  3. Step 3: Cross multiply
    64,606.17x = 96,909.66 × 20,229.51
  4. Step 4: Simplify right side
    64,606.17x = 1,960,434,936.07
  5. Step 5: Solve for x
    x = 1,960,434,936.07/64,606.17
  6. Step 6: Final answer
    x = 30,344.39

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1.5x scale

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.