Home / 36,298.90-50,091.18-20,384.02

Finding the Fourth Proportional to 36,298.90, 50,091.18 and 20,384.02

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Solution

The fourth proportional to 36,298.90, 50,091.18 and 20,384.02 is: 28,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,298.90 : 50,091.18 = 20,384.02 : x
  2. Step 2: Convert to fraction form
    36,298.90/50,091.18 = 20,384.02/x
  3. Step 3: Cross multiply
    36,298.90x = 50,091.18 × 20,384.02
  4. Step 4: Simplify right side
    36,298.90x = 1,021,059,614.94
  5. Step 5: Solve for x
    x = 1,021,059,614.94/36,298.90
  6. Step 6: Final answer
    x = 28,129.22

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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.