Home / 20,637.09-30,955.77-5,054.72

Finding the Fourth Proportional to 20,637.09, 30,955.77 and 5,054.72

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Solution

The fourth proportional to 20,637.09, 30,955.77 and 5,054.72 is: 7,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.09 : 30,955.77 = 5,054.72 : x
  2. Step 2: Convert to fraction form
    20,637.09/30,955.77 = 5,054.72/x
  3. Step 3: Cross multiply
    20,637.09x = 30,955.77 × 5,054.72
  4. Step 4: Simplify right side
    20,637.09x = 156,472,594.96
  5. Step 5: Solve for x
    x = 156,472,594.96/20,637.09
  6. Step 6: Final answer
    x = 7,582.11

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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.