Home / 36,530.64-50,411.07-20,398.32

Finding the Fourth Proportional to 36,530.64, 50,411.07 and 20,398.32

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Solution

The fourth proportional to 36,530.64, 50,411.07 and 20,398.32 is: 28,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.64 : 50,411.07 = 20,398.32 : x
  2. Step 2: Convert to fraction form
    36,530.64/50,411.07 = 20,398.32/x
  3. Step 3: Cross multiply
    36,530.64x = 50,411.07 × 20,398.32
  4. Step 4: Simplify right side
    36,530.64x = 1,028,301,137.40
  5. Step 5: Solve for x
    x = 1,028,301,137.40/36,530.64
  6. Step 6: Final answer
    x = 28,149.00

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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.