Home / 35,398.12-53,082.32-20,617.24

Finding the Fourth Proportional to 35,398.12, 53,082.32 and 20,617.24

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Solution

The fourth proportional to 35,398.12, 53,082.32 and 20,617.24 is: 30,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.12 : 53,082.32 = 20,617.24 : x
  2. Step 2: Convert to fraction form
    35,398.12/53,082.32 = 20,617.24/x
  3. Step 3: Cross multiply
    35,398.12x = 53,082.32 × 20,617.24
  4. Step 4: Simplify right side
    35,398.12x = 1,094,410,931.20
  5. Step 5: Solve for x
    x = 1,094,410,931.20/35,398.12
  6. Step 6: Final answer
    x = 30,917.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.