Home / 55,428.93-76,491.91-29,935.31

Finding the Fourth Proportional to 55,428.93, 76,491.91 and 29,935.31

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Solution

The fourth proportional to 55,428.93, 76,491.91 and 29,935.31 is: 41,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,428.93 : 76,491.91 = 29,935.31 : x
  2. Step 2: Convert to fraction form
    55,428.93/76,491.91 = 29,935.31/x
  3. Step 3: Cross multiply
    55,428.93x = 76,491.91 × 29,935.31
  4. Step 4: Simplify right side
    55,428.93x = 2,289,808,609.11
  5. Step 5: Solve for x
    x = 2,289,808,609.11/55,428.93
  6. Step 6: Final answer
    x = 41,310.71

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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.