Home / 39,394.46-59,080.94-13,095.78

Finding the Fourth Proportional to 39,394.46, 59,080.94 and 13,095.78

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Solution

The fourth proportional to 39,394.46, 59,080.94 and 13,095.78 is: 19,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.46 : 59,080.94 = 13,095.78 : x
  2. Step 2: Convert to fraction form
    39,394.46/59,080.94 = 13,095.78/x
  3. Step 3: Cross multiply
    39,394.46x = 59,080.94 × 13,095.78
  4. Step 4: Simplify right side
    39,394.46x = 773,710,992.43
  5. Step 5: Solve for x
    x = 773,710,992.43/39,394.46
  6. Step 6: Final answer
    x = 19,640.10

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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.