Home / 35,612.20-49,129.96-20,501.24

Finding the Fourth Proportional to 35,612.20, 49,129.96 and 20,501.24

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Solution

The fourth proportional to 35,612.20, 49,129.96 and 20,501.24 is: 28,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.20 : 49,129.96 = 20,501.24 : x
  2. Step 2: Convert to fraction form
    35,612.20/49,129.96 = 20,501.24/x
  3. Step 3: Cross multiply
    35,612.20x = 49,129.96 × 20,501.24
  4. Step 4: Simplify right side
    35,612.20x = 1,007,224,998.64
  5. Step 5: Solve for x
    x = 1,007,224,998.64/35,612.20
  6. Step 6: Final answer
    x = 28,283.15

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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.