Home / 36,679.90-55,029.12-10,384.88

Finding the Fourth Proportional to 36,679.90, 55,029.12 and 10,384.88

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Solution

The fourth proportional to 36,679.90, 55,029.12 and 10,384.88 is: 15,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.90 : 55,029.12 = 10,384.88 : x
  2. Step 2: Convert to fraction form
    36,679.90/55,029.12 = 10,384.88/x
  3. Step 3: Cross multiply
    36,679.90x = 55,029.12 × 10,384.88
  4. Step 4: Simplify right side
    36,679.90x = 571,470,807.71
  5. Step 5: Solve for x
    x = 571,470,807.71/36,679.90
  6. Step 6: Final answer
    x = 15,579.94

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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.