Home / 36,721.34-50,680.04-20,810.91

Finding the Fourth Proportional to 36,721.34, 50,680.04 and 20,810.91

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Solution

The fourth proportional to 36,721.34, 50,680.04 and 20,810.91 is: 28,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.34 : 50,680.04 = 20,810.91 : x
  2. Step 2: Convert to fraction form
    36,721.34/50,680.04 = 20,810.91/x
  3. Step 3: Cross multiply
    36,721.34x = 50,680.04 × 20,810.91
  4. Step 4: Simplify right side
    36,721.34x = 1,054,697,647.18
  5. Step 5: Solve for x
    x = 1,054,697,647.18/36,721.34
  6. Step 6: Final answer
    x = 28,721.66

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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.