Home / 58,479.06-87,757.47-21,543.06

Finding the Fourth Proportional to 58,479.06, 87,757.47 and 21,543.06

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Solution

The fourth proportional to 58,479.06, 87,757.47 and 21,543.06 is: 32,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.06 : 87,757.47 = 21,543.06 : x
  2. Step 2: Convert to fraction form
    58,479.06/87,757.47 = 21,543.06/x
  3. Step 3: Cross multiply
    58,479.06x = 87,757.47 × 21,543.06
  4. Step 4: Simplify right side
    58,479.06x = 1,890,564,441.66
  5. Step 5: Solve for x
    x = 1,890,564,441.66/58,479.06
  6. Step 6: Final answer
    x = 32,328.91

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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.