Home / 35,304.72-48,720.85-19,389.50

Finding the Fourth Proportional to 35,304.72, 48,720.85 and 19,389.50

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Solution

The fourth proportional to 35,304.72, 48,720.85 and 19,389.50 is: 26,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.72 : 48,720.85 = 19,389.50 : x
  2. Step 2: Convert to fraction form
    35,304.72/48,720.85 = 19,389.50/x
  3. Step 3: Cross multiply
    35,304.72x = 48,720.85 × 19,389.50
  4. Step 4: Simplify right side
    35,304.72x = 944,672,921.08
  5. Step 5: Solve for x
    x = 944,672,921.08/35,304.72
  6. Step 6: Final answer
    x = 26,757.69

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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.