Home / 55,234.68-76,228.16-31,368.84

Finding the Fourth Proportional to 55,234.68, 76,228.16 and 31,368.84

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Solution

The fourth proportional to 55,234.68, 76,228.16 and 31,368.84 is: 43,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.68 : 76,228.16 = 31,368.84 : x
  2. Step 2: Convert to fraction form
    55,234.68/76,228.16 = 31,368.84/x
  3. Step 3: Cross multiply
    55,234.68x = 76,228.16 × 31,368.84
  4. Step 4: Simplify right side
    55,234.68x = 2,391,188,954.53
  5. Step 5: Solve for x
    x = 2,391,188,954.53/55,234.68
  6. Step 6: Final answer
    x = 43,291.44

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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.