Home / 35,378.91-48,821.13-19,460.79

Finding the Fourth Proportional to 35,378.91, 48,821.13 and 19,460.79

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Solution

The fourth proportional to 35,378.91, 48,821.13 and 19,460.79 is: 26,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.91 : 48,821.13 = 19,460.79 : x
  2. Step 2: Convert to fraction form
    35,378.91/48,821.13 = 19,460.79/x
  3. Step 3: Cross multiply
    35,378.91x = 48,821.13 × 19,460.79
  4. Step 4: Simplify right side
    35,378.91x = 950,097,758.49
  5. Step 5: Solve for x
    x = 950,097,758.49/35,378.91
  6. Step 6: Final answer
    x = 26,854.92

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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.