Home / 39,935.16-59,948.10-20,235.96

Finding the Fourth Proportional to 39,935.16, 59,948.10 and 20,235.96

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Solution

The fourth proportional to 39,935.16, 59,948.10 and 20,235.96 is: 30,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.16 : 59,948.10 = 20,235.96 : x
  2. Step 2: Convert to fraction form
    39,935.16/59,948.10 = 20,235.96/x
  3. Step 3: Cross multiply
    39,935.16x = 59,948.10 × 20,235.96
  4. Step 4: Simplify right side
    39,935.16x = 1,213,107,353.68
  5. Step 5: Solve for x
    x = 1,213,107,353.68/39,935.16
  6. Step 6: Final answer
    x = 30,376.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.