Home / 36,346.40-50,157.75-20,430.91

Finding the Fourth Proportional to 36,346.40, 50,157.75 and 20,430.91

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Solution

The fourth proportional to 36,346.40, 50,157.75 and 20,430.91 is: 28,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,346.40 : 50,157.75 = 20,430.91 : x
  2. Step 2: Convert to fraction form
    36,346.40/50,157.75 = 20,430.91/x
  3. Step 3: Cross multiply
    36,346.40x = 50,157.75 × 20,430.91
  4. Step 4: Simplify right side
    36,346.40x = 1,024,768,350.66
  5. Step 5: Solve for x
    x = 1,024,768,350.66/36,346.40
  6. Step 6: Final answer
    x = 28,194.50

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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.