Home / 40,108.74-55,355.91-23,109.71

Finding the Fourth Proportional to 40,108.74, 55,355.91 and 23,109.71

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Solution

The fourth proportional to 40,108.74, 55,355.91 and 23,109.71 is: 31,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.74 : 55,355.91 = 23,109.71 : x
  2. Step 2: Convert to fraction form
    40,108.74/55,355.91 = 23,109.71/x
  3. Step 3: Cross multiply
    40,108.74x = 55,355.91 × 23,109.71
  4. Step 4: Simplify right side
    40,108.74x = 1,279,258,663.45
  5. Step 5: Solve for x
    x = 1,279,258,663.45/40,108.74
  6. Step 6: Final answer
    x = 31,894.76

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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.