Home / 36,510.46-54,867.93-21,721.66

Finding the Fourth Proportional to 36,510.46, 54,867.93 and 21,721.66

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Solution

The fourth proportional to 36,510.46, 54,867.93 and 21,721.66 is: 32,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.46 : 54,867.93 = 21,721.66 : x
  2. Step 2: Convert to fraction form
    36,510.46/54,867.93 = 21,721.66/x
  3. Step 3: Cross multiply
    36,510.46x = 54,867.93 × 21,721.66
  4. Step 4: Simplify right side
    36,510.46x = 1,191,822,520.36
  5. Step 5: Solve for x
    x = 1,191,822,520.36/36,510.46
  6. Step 6: Final answer
    x = 32,643.32

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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.