Home / 54,009.42-74,537.18-29,815.12

Finding the Fourth Proportional to 54,009.42, 74,537.18 and 29,815.12

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Solution

The fourth proportional to 54,009.42, 74,537.18 and 29,815.12 is: 41,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.42 : 74,537.18 = 29,815.12 : x
  2. Step 2: Convert to fraction form
    54,009.42/74,537.18 = 29,815.12/x
  3. Step 3: Cross multiply
    54,009.42x = 74,537.18 × 29,815.12
  4. Step 4: Simplify right side
    54,009.42x = 2,222,334,966.16
  5. Step 5: Solve for x
    x = 2,222,334,966.16/54,009.42
  6. Step 6: Final answer
    x = 41,147.17

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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.