Home / 42,850.26-64,278.42-13,264.26

Finding the Fourth Proportional to 42,850.26, 64,278.42 and 13,264.26

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Solution

The fourth proportional to 42,850.26, 64,278.42 and 13,264.26 is: 19,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850.26 : 64,278.42 = 13,264.26 : x
  2. Step 2: Convert to fraction form
    42,850.26/64,278.42 = 13,264.26/x
  3. Step 3: Cross multiply
    42,850.26x = 64,278.42 × 13,264.26
  4. Step 4: Simplify right side
    42,850.26x = 852,605,675.27
  5. Step 5: Solve for x
    x = 852,605,675.27/42,850.26
  6. Step 6: Final answer
    x = 19,897.33

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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.