Home / 45,423.64-68,138.34-14,260.12

Finding the Fourth Proportional to 45,423.64, 68,138.34 and 14,260.12

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Solution

The fourth proportional to 45,423.64, 68,138.34 and 14,260.12 is: 21,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.64 : 68,138.34 = 14,260.12 : x
  2. Step 2: Convert to fraction form
    45,423.64/68,138.34 = 14,260.12/x
  3. Step 3: Cross multiply
    45,423.64x = 68,138.34 × 14,260.12
  4. Step 4: Simplify right side
    45,423.64x = 971,660,493.01
  5. Step 5: Solve for x
    x = 971,660,493.01/45,423.64
  6. Step 6: Final answer
    x = 21,391.08

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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.