Home / 55,215.86-76,178.48-36,106.82

Finding the Fourth Proportional to 55,215.86, 76,178.48 and 36,106.82

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Solution

The fourth proportional to 55,215.86, 76,178.48 and 36,106.82 is: 49,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.86 : 76,178.48 = 36,106.82 : x
  2. Step 2: Convert to fraction form
    55,215.86/76,178.48 = 36,106.82/x
  3. Step 3: Cross multiply
    55,215.86x = 76,178.48 × 36,106.82
  4. Step 4: Simplify right side
    55,215.86x = 2,750,562,103.81
  5. Step 5: Solve for x
    x = 2,750,562,103.81/55,215.86
  6. Step 6: Final answer
    x = 49,814.72

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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.