Home / 45,422.01-68,135.90-14,258.49

Finding the Fourth Proportional to 45,422.01, 68,135.90 and 14,258.49

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Solution

The fourth proportional to 45,422.01, 68,135.90 and 14,258.49 is: 21,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.01 : 68,135.90 = 14,258.49 : x
  2. Step 2: Convert to fraction form
    45,422.01/68,135.90 = 14,258.49/x
  3. Step 3: Cross multiply
    45,422.01x = 68,135.90 × 14,258.49
  4. Step 4: Simplify right side
    45,422.01x = 971,514,977.50
  5. Step 5: Solve for x
    x = 971,514,977.50/45,422.01
  6. Step 6: Final answer
    x = 21,388.64

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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.