Home / 36,721.17-50,679.29-21,617.55

Finding the Fourth Proportional to 36,721.17, 50,679.29 and 21,617.55

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Solution

The fourth proportional to 36,721.17, 50,679.29 and 21,617.55 is: 29,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.17 : 50,679.29 = 21,617.55 : x
  2. Step 2: Convert to fraction form
    36,721.17/50,679.29 = 21,617.55/x
  3. Step 3: Cross multiply
    36,721.17x = 50,679.29 × 21,617.55
  4. Step 4: Simplify right side
    36,721.17x = 1,095,562,139.58
  5. Step 5: Solve for x
    x = 1,095,562,139.58/36,721.17
  6. Step 6: Final answer
    x = 29,834.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.