Home / 38,165.63-57,248.55-11,870.39

Finding the Fourth Proportional to 38,165.63, 57,248.55 and 11,870.39

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Solution

The fourth proportional to 38,165.63, 57,248.55 and 11,870.39 is: 17,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.63 : 57,248.55 = 11,870.39 : x
  2. Step 2: Convert to fraction form
    38,165.63/57,248.55 = 11,870.39/x
  3. Step 3: Cross multiply
    38,165.63x = 57,248.55 × 11,870.39
  4. Step 4: Simplify right side
    38,165.63x = 679,562,758.56
  5. Step 5: Solve for x
    x = 679,562,758.56/38,165.63
  6. Step 6: Final answer
    x = 17,805.62

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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.