Home / 55,520.84-76,618.86-30,370.34

Finding the Fourth Proportional to 55,520.84, 76,618.86 and 30,370.34

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Solution

The fourth proportional to 55,520.84, 76,618.86 and 30,370.34 is: 41,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.84 : 76,618.86 = 30,370.34 : x
  2. Step 2: Convert to fraction form
    55,520.84/76,618.86 = 30,370.34/x
  3. Step 3: Cross multiply
    55,520.84x = 76,618.86 × 30,370.34
  4. Step 4: Simplify right side
    55,520.84x = 2,326,940,828.61
  5. Step 5: Solve for x
    x = 2,326,940,828.61/55,520.84
  6. Step 6: Final answer
    x = 41,911.12

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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.