Home / 45,722.40-68,588.56-14,550.40

Finding the Fourth Proportional to 45,722.40, 68,588.56 and 14,550.40

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Solution

The fourth proportional to 45,722.40, 68,588.56 and 14,550.40 is: 21,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,722.40 : 68,588.56 = 14,550.40 : x
  2. Step 2: Convert to fraction form
    45,722.40/68,588.56 = 14,550.40/x
  3. Step 3: Cross multiply
    45,722.40x = 68,588.56 × 14,550.40
  4. Step 4: Simplify right side
    45,722.40x = 997,990,983.42
  5. Step 5: Solve for x
    x = 997,990,983.42/45,722.40
  6. Step 6: Final answer
    x = 21,827.18

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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.