Home / 40,509.10-55,901.10-25,409.89

Finding the Fourth Proportional to 40,509.10, 55,901.10 and 25,409.89

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Solution

The fourth proportional to 40,509.10, 55,901.10 and 25,409.89 is: 35,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.10 : 55,901.10 = 25,409.89 : x
  2. Step 2: Convert to fraction form
    40,509.10/55,901.10 = 25,409.89/x
  3. Step 3: Cross multiply
    40,509.10x = 55,901.10 × 25,409.89
  4. Step 4: Simplify right side
    40,509.10x = 1,420,440,801.88
  5. Step 5: Solve for x
    x = 1,420,440,801.88/40,509.10
  6. Step 6: Final answer
    x = 35,064.73

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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.