Home / 40,124.54-55,373.85-22,221.50

Finding the Fourth Proportional to 40,124.54, 55,373.85 and 22,221.50

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Solution

The fourth proportional to 40,124.54, 55,373.85 and 22,221.50 is: 30,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.54 : 55,373.85 = 22,221.50 : x
  2. Step 2: Convert to fraction form
    40,124.54/55,373.85 = 22,221.50/x
  3. Step 3: Cross multiply
    40,124.54x = 55,373.85 × 22,221.50
  4. Step 4: Simplify right side
    40,124.54x = 1,230,490,007.78
  5. Step 5: Solve for x
    x = 1,230,490,007.78/40,124.54
  6. Step 6: Final answer
    x = 30,666.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.