Home / 38,369.71-57,554.70-13,409.65

Finding the Fourth Proportional to 38,369.71, 57,554.70 and 13,409.65

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Solution

The fourth proportional to 38,369.71, 57,554.70 and 13,409.65 is: 20,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.71 : 57,554.70 = 13,409.65 : x
  2. Step 2: Convert to fraction form
    38,369.71/57,554.70 = 13,409.65/x
  3. Step 3: Cross multiply
    38,369.71x = 57,554.70 × 13,409.65
  4. Step 4: Simplify right side
    38,369.71x = 771,788,382.86
  5. Step 5: Solve for x
    x = 771,788,382.86/38,369.71
  6. Step 6: Final answer
    x = 20,114.52

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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.