Home / 42,646.21-63,983.46-13,064.33

Finding the Fourth Proportional to 42,646.21, 63,983.46 and 13,064.33

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Solution

The fourth proportional to 42,646.21, 63,983.46 and 13,064.33 is: 19,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.21 : 63,983.46 = 13,064.33 : x
  2. Step 2: Convert to fraction form
    42,646.21/63,983.46 = 13,064.33/x
  3. Step 3: Cross multiply
    42,646.21x = 63,983.46 × 13,064.33
  4. Step 4: Simplify right side
    42,646.21x = 835,901,244.93
  5. Step 5: Solve for x
    x = 835,901,244.93/42,646.21
  6. Step 6: Final answer
    x = 19,600.83

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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.