Home / 45,128.32-67,698.96-13,966.24

Finding the Fourth Proportional to 45,128.32, 67,698.96 and 13,966.24

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Solution

The fourth proportional to 45,128.32, 67,698.96 and 13,966.24 is: 20,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,128.32 : 67,698.96 = 13,966.24 : x
  2. Step 2: Convert to fraction form
    45,128.32/67,698.96 = 13,966.24/x
  3. Step 3: Cross multiply
    45,128.32x = 67,698.96 × 13,966.24
  4. Step 4: Simplify right side
    45,128.32x = 945,499,923.11
  5. Step 5: Solve for x
    x = 945,499,923.11/45,128.32
  6. Step 6: Final answer
    x = 20,951.37

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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.