Home / 32,390.13-48,475.46-19,918.05

Finding the Fourth Proportional to 32,390.13, 48,475.46 and 19,918.05

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Solution

The fourth proportional to 32,390.13, 48,475.46 and 19,918.05 is: 29,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.13 : 48,475.46 = 19,918.05 : x
  2. Step 2: Convert to fraction form
    32,390.13/48,475.46 = 19,918.05/x
  3. Step 3: Cross multiply
    32,390.13x = 48,475.46 × 19,918.05
  4. Step 4: Simplify right side
    32,390.13x = 965,536,776.74
  5. Step 5: Solve for x
    x = 965,536,776.74/32,390.13
  6. Step 6: Final answer
    x = 29,809.60

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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.