Home / 40,122.65-55,355.63-23,126.35

Finding the Fourth Proportional to 40,122.65, 55,355.63 and 23,126.35

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Solution

The fourth proportional to 40,122.65, 55,355.63 and 23,126.35 is: 31,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.65 : 55,355.63 = 23,126.35 : x
  2. Step 2: Convert to fraction form
    40,122.65/55,355.63 = 23,126.35/x
  3. Step 3: Cross multiply
    40,122.65x = 55,355.63 × 23,126.35
  4. Step 4: Simplify right side
    40,122.65x = 1,280,173,673.85
  5. Step 5: Solve for x
    x = 1,280,173,673.85/40,122.65
  6. Step 6: Final answer
    x = 31,906.51

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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.