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Finding the Fourth Proportional to 45,593.70, 68,392.68 and 14,002.50

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Solution

The fourth proportional to 45,593.70, 68,392.68 and 14,002.50 is: 21,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,593.70 : 68,392.68 = 14,002.50 : x
  2. Step 2: Convert to fraction form
    45,593.70/68,392.68 = 14,002.50/x
  3. Step 3: Cross multiply
    45,593.70x = 68,392.68 × 14,002.50
  4. Step 4: Simplify right side
    45,593.70x = 957,668,501.70
  5. Step 5: Solve for x
    x = 957,668,501.70/45,593.70
  6. Step 6: Final answer
    x = 21,004.40

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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.