Home / 36,434.34-50,279.27-20,518.79

Finding the Fourth Proportional to 36,434.34, 50,279.27 and 20,518.79

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Solution

The fourth proportional to 36,434.34, 50,279.27 and 20,518.79 is: 28,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.34 : 50,279.27 = 20,518.79 : x
  2. Step 2: Convert to fraction form
    36,434.34/50,279.27 = 20,518.79/x
  3. Step 3: Cross multiply
    36,434.34x = 50,279.27 × 20,518.79
  4. Step 4: Simplify right side
    36,434.34x = 1,031,669,428.49
  5. Step 5: Solve for x
    x = 1,031,669,428.49/36,434.34
  6. Step 6: Final answer
    x = 28,315.85

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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.