Home / 55,256.19-76,253.49-30,105.69

Finding the Fourth Proportional to 55,256.19, 76,253.49 and 30,105.69

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Solution

The fourth proportional to 55,256.19, 76,253.49 and 30,105.69 is: 41,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.19 : 76,253.49 = 30,105.69 : x
  2. Step 2: Convert to fraction form
    55,256.19/76,253.49 = 30,105.69/x
  3. Step 3: Cross multiply
    55,256.19x = 76,253.49 × 30,105.69
  4. Step 4: Simplify right side
    55,256.19x = 2,295,663,931.36
  5. Step 5: Solve for x
    x = 2,295,663,931.36/55,256.19
  6. Step 6: Final answer
    x = 41,545.82

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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.