Home / 40,289.10-55,602.20-22,385.77

Finding the Fourth Proportional to 40,289.10, 55,602.20 and 22,385.77

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Solution

The fourth proportional to 40,289.10, 55,602.20 and 22,385.77 is: 30,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.10 : 55,602.20 = 22,385.77 : x
  2. Step 2: Convert to fraction form
    40,289.10/55,602.20 = 22,385.77/x
  3. Step 3: Cross multiply
    40,289.10x = 55,602.20 × 22,385.77
  4. Step 4: Simplify right side
    40,289.10x = 1,244,697,851.73
  5. Step 5: Solve for x
    x = 1,244,697,851.73/40,289.10
  6. Step 6: Final answer
    x = 30,894.16

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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.