Home / 36,485.19-50,343.15-20,570.31

Finding the Fourth Proportional to 36,485.19, 50,343.15 and 20,570.31

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Solution

The fourth proportional to 36,485.19, 50,343.15 and 20,570.31 is: 28,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.19 : 50,343.15 = 20,570.31 : x
  2. Step 2: Convert to fraction form
    36,485.19/50,343.15 = 20,570.31/x
  3. Step 3: Cross multiply
    36,485.19x = 50,343.15 × 20,570.31
  4. Step 4: Simplify right side
    36,485.19x = 1,035,574,201.88
  5. Step 5: Solve for x
    x = 1,035,574,201.88/36,485.19
  6. Step 6: Final answer
    x = 28,383.41

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Double scale
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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.