Home / 39,980.57-59,967.37-16,290.61

Finding the Fourth Proportional to 39,980.57, 59,967.37 and 16,290.61

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Solution

The fourth proportional to 39,980.57, 59,967.37 and 16,290.61 is: 24,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.57 : 59,967.37 = 16,290.61 : x
  2. Step 2: Convert to fraction form
    39,980.57/59,967.37 = 16,290.61/x
  3. Step 3: Cross multiply
    39,980.57x = 59,967.37 × 16,290.61
  4. Step 4: Simplify right side
    39,980.57x = 976,904,921.71
  5. Step 5: Solve for x
    x = 976,904,921.71/39,980.57
  6. Step 6: Final answer
    x = 24,434.49

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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.