Home / 55,161.84-76,125.06-31,289.52

Finding the Fourth Proportional to 55,161.84, 76,125.06 and 31,289.52

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Solution

The fourth proportional to 55,161.84, 76,125.06 and 31,289.52 is: 43,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.84 : 76,125.06 = 31,289.52 : x
  2. Step 2: Convert to fraction form
    55,161.84/76,125.06 = 31,289.52/x
  3. Step 3: Cross multiply
    55,161.84x = 76,125.06 × 31,289.52
  4. Step 4: Simplify right side
    55,161.84x = 2,381,916,587.37
  5. Step 5: Solve for x
    x = 2,381,916,587.37/55,161.84
  6. Step 6: Final answer
    x = 43,180.51

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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.