Home / 36,518.16-50,394.21-20,602.20

Finding the Fourth Proportional to 36,518.16, 50,394.21 and 20,602.20

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Solution

The fourth proportional to 36,518.16, 50,394.21 and 20,602.20 is: 28,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.16 : 50,394.21 = 20,602.20 : x
  2. Step 2: Convert to fraction form
    36,518.16/50,394.21 = 20,602.20/x
  3. Step 3: Cross multiply
    36,518.16x = 50,394.21 × 20,602.20
  4. Step 4: Simplify right side
    36,518.16x = 1,038,231,593.26
  5. Step 5: Solve for x
    x = 1,038,231,593.26/36,518.16
  6. Step 6: Final answer
    x = 28,430.56

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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.