Home / 55,009.32-75,906.56-30,806.92

Finding the Fourth Proportional to 55,009.32, 75,906.56 and 30,806.92

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Solution

The fourth proportional to 55,009.32, 75,906.56 and 30,806.92 is: 42,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.32 : 75,906.56 = 30,806.92 : x
  2. Step 2: Convert to fraction form
    55,009.32/75,906.56 = 30,806.92/x
  3. Step 3: Cross multiply
    55,009.32x = 75,906.56 × 30,806.92
  4. Step 4: Simplify right side
    55,009.32x = 2,338,447,321.40
  5. Step 5: Solve for x
    x = 2,338,447,321.40/55,009.32
  6. Step 6: Final answer
    x = 42,510.02

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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.