Home / 35,246.32-48,632.04-20,134.15

Finding the Fourth Proportional to 35,246.32, 48,632.04 and 20,134.15

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Solution

The fourth proportional to 35,246.32, 48,632.04 and 20,134.15 is: 27,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,246.32 : 48,632.04 = 20,134.15 : x
  2. Step 2: Convert to fraction form
    35,246.32/48,632.04 = 20,134.15/x
  3. Step 3: Cross multiply
    35,246.32x = 48,632.04 × 20,134.15
  4. Step 4: Simplify right side
    35,246.32x = 979,164,666.59
  5. Step 5: Solve for x
    x = 979,164,666.59/35,246.32
  6. Step 6: Final answer
    x = 27,780.62

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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.