Home / 35,305.28-48,720.96-19,389.92

Finding the Fourth Proportional to 35,305.28, 48,720.96 and 19,389.92

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Solution

The fourth proportional to 35,305.28, 48,720.96 and 19,389.92 is: 26,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.28 : 48,720.96 = 19,389.92 : x
  2. Step 2: Convert to fraction form
    35,305.28/48,720.96 = 19,389.92/x
  3. Step 3: Cross multiply
    35,305.28x = 48,720.96 × 19,389.92
  4. Step 4: Simplify right side
    35,305.28x = 944,695,516.72
  5. Step 5: Solve for x
    x = 944,695,516.72/35,305.28
  6. Step 6: Final answer
    x = 26,757.91

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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.