Home / 45,188.64-67,785.12-14,019.84

Finding the Fourth Proportional to 45,188.64, 67,785.12 and 14,019.84

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Solution

The fourth proportional to 45,188.64, 67,785.12 and 14,019.84 is: 21,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.64 : 67,785.12 = 14,019.84 : x
  2. Step 2: Convert to fraction form
    45,188.64/67,785.12 = 14,019.84/x
  3. Step 3: Cross multiply
    45,188.64x = 67,785.12 × 14,019.84
  4. Step 4: Simplify right side
    45,188.64x = 950,336,536.78
  5. Step 5: Solve for x
    x = 950,336,536.78/45,188.64
  6. Step 6: Final answer
    x = 21,030.43

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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.