Home / 56,289.84-84,379.12-36,287.16

Finding the Fourth Proportional to 56,289.84, 84,379.12 and 36,287.16

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Solution

The fourth proportional to 56,289.84, 84,379.12 and 36,287.16 is: 54,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,289.84 : 84,379.12 = 36,287.16 : x
  2. Step 2: Convert to fraction form
    56,289.84/84,379.12 = 36,287.16/x
  3. Step 3: Cross multiply
    56,289.84x = 84,379.12 × 36,287.16
  4. Step 4: Simplify right side
    56,289.84x = 3,061,878,628.10
  5. Step 5: Solve for x
    x = 3,061,878,628.10/56,289.84
  6. Step 6: Final answer
    x = 54,394.87

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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.