Home / 39,733.11-59,595.99-13,438.08

Finding the Fourth Proportional to 39,733.11, 59,595.99 and 13,438.08

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Solution

The fourth proportional to 39,733.11, 59,595.99 and 13,438.08 is: 20,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.11 : 59,595.99 = 13,438.08 : x
  2. Step 2: Convert to fraction form
    39,733.11/59,595.99 = 13,438.08/x
  3. Step 3: Cross multiply
    39,733.11x = 59,595.99 × 13,438.08
  4. Step 4: Simplify right side
    39,733.11x = 800,855,681.30
  5. Step 5: Solve for x
    x = 800,855,681.30/39,733.11
  6. Step 6: Final answer
    x = 20,155.88

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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.