Home / 32,979.48-49,458.78-10,787.74

Finding the Fourth Proportional to 32,979.48, 49,458.78 and 10,787.74

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Solution

The fourth proportional to 32,979.48, 49,458.78 and 10,787.74 is: 16,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.48 : 49,458.78 = 10,787.74 : x
  2. Step 2: Convert to fraction form
    32,979.48/49,458.78 = 10,787.74/x
  3. Step 3: Cross multiply
    32,979.48x = 49,458.78 × 10,787.74
  4. Step 4: Simplify right side
    32,979.48x = 533,548,459.36
  5. Step 5: Solve for x
    x = 533,548,459.36/32,979.48
  6. Step 6: Final answer
    x = 16,178.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.