Home / 39,278.98-58,918.59-9,696.82

Finding the Fourth Proportional to 39,278.98, 58,918.59 and 9,696.82

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Solution

The fourth proportional to 39,278.98, 58,918.59 and 9,696.82 is: 14,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.98 : 58,918.59 = 9,696.82 : x
  2. Step 2: Convert to fraction form
    39,278.98/58,918.59 = 9,696.82/x
  3. Step 3: Cross multiply
    39,278.98x = 58,918.59 × 9,696.82
  4. Step 4: Simplify right side
    39,278.98x = 571,322,759.35
  5. Step 5: Solve for x
    x = 571,322,759.35/39,278.98
  6. Step 6: Final answer
    x = 14,545.26

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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.