Home / 20,701.86-31,053.06-5,910.77

Finding the Fourth Proportional to 20,701.86, 31,053.06 and 5,910.77

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Solution

The fourth proportional to 20,701.86, 31,053.06 and 5,910.77 is: 8,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.86 : 31,053.06 = 5,910.77 : x
  2. Step 2: Convert to fraction form
    20,701.86/31,053.06 = 5,910.77/x
  3. Step 3: Cross multiply
    20,701.86x = 31,053.06 × 5,910.77
  4. Step 4: Simplify right side
    20,701.86x = 183,547,340.19
  5. Step 5: Solve for x
    x = 183,547,340.19/20,701.86
  6. Step 6: Final answer
    x = 8,866.22

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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.