Home / 40,210.77-55,472.67-25,107.21

Finding the Fourth Proportional to 40,210.77, 55,472.67 and 25,107.21

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Solution

The fourth proportional to 40,210.77, 55,472.67 and 25,107.21 is: 34,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.77 : 55,472.67 = 25,107.21 : x
  2. Step 2: Convert to fraction form
    40,210.77/55,472.67 = 25,107.21/x
  3. Step 3: Cross multiply
    40,210.77x = 55,472.67 × 25,107.21
  4. Step 4: Simplify right side
    40,210.77x = 1,392,763,974.95
  5. Step 5: Solve for x
    x = 1,392,763,974.95/40,210.77
  6. Step 6: Final answer
    x = 34,636.59

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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.