Home / 45,258.40-67,887.60-21,904.48

Finding the Fourth Proportional to 45,258.40, 67,887.60 and 21,904.48

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Solution

The fourth proportional to 45,258.40, 67,887.60 and 21,904.48 is: 32,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,258.40 : 67,887.60 = 21,904.48 : x
  2. Step 2: Convert to fraction form
    45,258.40/67,887.60 = 21,904.48/x
  3. Step 3: Cross multiply
    45,258.40x = 67,887.60 × 21,904.48
  4. Step 4: Simplify right side
    45,258.40x = 1,487,042,576.45
  5. Step 5: Solve for x
    x = 1,487,042,576.45/45,258.40
  6. Step 6: Final answer
    x = 32,856.72

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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.