Home / 35,889.72-49,526.24-20,781.60

Finding the Fourth Proportional to 35,889.72, 49,526.24 and 20,781.60

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Solution

The fourth proportional to 35,889.72, 49,526.24 and 20,781.60 is: 28,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,889.72 : 49,526.24 = 20,781.60 : x
  2. Step 2: Convert to fraction form
    35,889.72/49,526.24 = 20,781.60/x
  3. Step 3: Cross multiply
    35,889.72x = 49,526.24 × 20,781.60
  4. Step 4: Simplify right side
    35,889.72x = 1,029,234,405.28
  5. Step 5: Solve for x
    x = 1,029,234,405.28/35,889.72
  6. Step 6: Final answer
    x = 28,677.69

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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.