Home / 45,253.04-67,844.32-21,548.40

Finding the Fourth Proportional to 45,253.04, 67,844.32 and 21,548.40

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Solution

The fourth proportional to 45,253.04, 67,844.32 and 21,548.40 is: 32,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253.04 : 67,844.32 = 21,548.40 : x
  2. Step 2: Convert to fraction form
    45,253.04/67,844.32 = 21,548.40/x
  3. Step 3: Cross multiply
    45,253.04x = 67,844.32 × 21,548.40
  4. Step 4: Simplify right side
    45,253.04x = 1,461,936,545.09
  5. Step 5: Solve for x
    x = 1,461,936,545.09/45,253.04
  6. Step 6: Final answer
    x = 32,305.82

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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.