Home / 55,509.18-76,601.10-30,358.14

Finding the Fourth Proportional to 55,509.18, 76,601.10 and 30,358.14

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Solution

The fourth proportional to 55,509.18, 76,601.10 and 30,358.14 is: 41,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.18 : 76,601.10 = 30,358.14 : x
  2. Step 2: Convert to fraction form
    55,509.18/76,601.10 = 30,358.14/x
  3. Step 3: Cross multiply
    55,509.18x = 76,601.10 × 30,358.14
  4. Step 4: Simplify right side
    55,509.18x = 2,325,466,917.95
  5. Step 5: Solve for x
    x = 2,325,466,917.95/55,509.18
  6. Step 6: Final answer
    x = 41,893.38

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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.