Home / 55,587.61-83,382.64-20,051.77

Finding the Fourth Proportional to 55,587.61, 83,382.64 and 20,051.77

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Solution

The fourth proportional to 55,587.61, 83,382.64 and 20,051.77 is: 30,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.61 : 83,382.64 = 20,051.77 : x
  2. Step 2: Convert to fraction form
    55,587.61/83,382.64 = 20,051.77/x
  3. Step 3: Cross multiply
    55,587.61x = 83,382.64 × 20,051.77
  4. Step 4: Simplify right side
    55,587.61x = 1,671,969,102.36
  5. Step 5: Solve for x
    x = 1,671,969,102.36/55,587.61
  6. Step 6: Final answer
    x = 30,078.09

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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.