Home / 32,909.23-49,319.12-13,918.08

Finding the Fourth Proportional to 32,909.23, 49,319.12 and 13,918.08

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Solution

The fourth proportional to 32,909.23, 49,319.12 and 13,918.08 is: 20,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.23 : 49,319.12 = 13,918.08 : x
  2. Step 2: Convert to fraction form
    32,909.23/49,319.12 = 13,918.08/x
  3. Step 3: Cross multiply
    32,909.23x = 49,319.12 × 13,918.08
  4. Step 4: Simplify right side
    32,909.23x = 686,427,573.05
  5. Step 5: Solve for x
    x = 686,427,573.05/32,909.23
  6. Step 6: Final answer
    x = 20,858.21

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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.