Home / 36,979.28-55,460.76-10,678.30

Finding the Fourth Proportional to 36,979.28, 55,460.76 and 10,678.30

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Solution

The fourth proportional to 36,979.28, 55,460.76 and 10,678.30 is: 16,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.28 : 55,460.76 = 10,678.30 : x
  2. Step 2: Convert to fraction form
    36,979.28/55,460.76 = 10,678.30/x
  3. Step 3: Cross multiply
    36,979.28x = 55,460.76 × 10,678.30
  4. Step 4: Simplify right side
    36,979.28x = 592,226,633.51
  5. Step 5: Solve for x
    x = 592,226,633.51/36,979.28
  6. Step 6: Final answer
    x = 16,015.09

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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.