Home / 53,677.54-80,484.41-20,400.05

Finding the Fourth Proportional to 53,677.54, 80,484.41 and 20,400.05

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Solution

The fourth proportional to 53,677.54, 80,484.41 and 20,400.05 is: 30,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.54 : 80,484.41 = 20,400.05 : x
  2. Step 2: Convert to fraction form
    53,677.54/80,484.41 = 20,400.05/x
  3. Step 3: Cross multiply
    53,677.54x = 80,484.41 × 20,400.05
  4. Step 4: Simplify right side
    53,677.54x = 1,641,885,988.22
  5. Step 5: Solve for x
    x = 1,641,885,988.22/53,677.54
  6. Step 6: Final answer
    x = 30,587.95

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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.