Home / 36,647.76-50,574.09-20,731.87

Finding the Fourth Proportional to 36,647.76, 50,574.09 and 20,731.87

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Solution

The fourth proportional to 36,647.76, 50,574.09 and 20,731.87 is: 28,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647.76 : 50,574.09 = 20,731.87 : x
  2. Step 2: Convert to fraction form
    36,647.76/50,574.09 = 20,731.87/x
  3. Step 3: Cross multiply
    36,647.76x = 50,574.09 × 20,731.87
  4. Step 4: Simplify right side
    36,647.76x = 1,048,495,459.25
  5. Step 5: Solve for x
    x = 1,048,495,459.25/36,647.76
  6. Step 6: Final answer
    x = 28,610.08

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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.