Home / 53,670.18-74,013.84-39,121.14

Finding the Fourth Proportional to 53,670.18, 74,013.84 and 39,121.14

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Solution

The fourth proportional to 53,670.18, 74,013.84 and 39,121.14 is: 53,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.18 : 74,013.84 = 39,121.14 : x
  2. Step 2: Convert to fraction form
    53,670.18/74,013.84 = 39,121.14/x
  3. Step 3: Cross multiply
    53,670.18x = 74,013.84 × 39,121.14
  4. Step 4: Simplify right side
    53,670.18x = 2,895,505,796.58
  5. Step 5: Solve for x
    x = 2,895,505,796.58/53,670.18
  6. Step 6: Final answer
    x = 53,949.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.