Home / 54,440.67-75,129.21-30,569.70

Finding the Fourth Proportional to 54,440.67, 75,129.21 and 30,569.70

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Solution

The fourth proportional to 54,440.67, 75,129.21 and 30,569.70 is: 42,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.67 : 75,129.21 = 30,569.70 : x
  2. Step 2: Convert to fraction form
    54,440.67/75,129.21 = 30,569.70/x
  3. Step 3: Cross multiply
    54,440.67x = 75,129.21 × 30,569.70
  4. Step 4: Simplify right side
    54,440.67x = 2,296,677,410.94
  5. Step 5: Solve for x
    x = 2,296,677,410.94/54,440.67
  6. Step 6: Final answer
    x = 42,186.80

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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.