Home / 35,183.76-48,547.80-20,076.45

Finding the Fourth Proportional to 35,183.76, 48,547.80 and 20,076.45

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Solution

The fourth proportional to 35,183.76, 48,547.80 and 20,076.45 is: 27,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,183.76 : 48,547.80 = 20,076.45 : x
  2. Step 2: Convert to fraction form
    35,183.76/48,547.80 = 20,076.45/x
  3. Step 3: Cross multiply
    35,183.76x = 48,547.80 × 20,076.45
  4. Step 4: Simplify right side
    35,183.76x = 974,667,479.31
  5. Step 5: Solve for x
    x = 974,667,479.31/35,183.76
  6. Step 6: Final answer
    x = 27,702.20

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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.