Home / 54,145.60-74,690.92-31,482.08

Finding the Fourth Proportional to 54,145.60, 74,690.92 and 31,482.08

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Solution

The fourth proportional to 54,145.60, 74,690.92 and 31,482.08 is: 43,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.60 : 74,690.92 = 31,482.08 : x
  2. Step 2: Convert to fraction form
    54,145.60/74,690.92 = 31,482.08/x
  3. Step 3: Cross multiply
    54,145.60x = 74,690.92 × 31,482.08
  4. Step 4: Simplify right side
    54,145.60x = 2,351,425,518.71
  5. Step 5: Solve for x
    x = 2,351,425,518.71/54,145.60
  6. Step 6: Final answer
    x = 43,427.83

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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.