Home / 55,778.48-83,646.88-22,487.28

Finding the Fourth Proportional to 55,778.48, 83,646.88 and 22,487.28

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Solution

The fourth proportional to 55,778.48, 83,646.88 and 22,487.28 is: 33,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.48 : 83,646.88 = 22,487.28 : x
  2. Step 2: Convert to fraction form
    55,778.48/83,646.88 = 22,487.28/x
  3. Step 3: Cross multiply
    55,778.48x = 83,646.88 × 22,487.28
  4. Step 4: Simplify right side
    55,778.48x = 1,880,990,811.69
  5. Step 5: Solve for x
    x = 1,880,990,811.69/55,778.48
  6. Step 6: Final answer
    x = 33,722.52

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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.