Home / 45,446.68-68,172.78-14,281.93

Finding the Fourth Proportional to 45,446.68, 68,172.78 and 14,281.93

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Solution

The fourth proportional to 45,446.68, 68,172.78 and 14,281.93 is: 21,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.68 : 68,172.78 = 14,281.93 : x
  2. Step 2: Convert to fraction form
    45,446.68/68,172.78 = 14,281.93/x
  3. Step 3: Cross multiply
    45,446.68x = 68,172.78 × 14,281.93
  4. Step 4: Simplify right side
    45,446.68x = 973,638,871.87
  5. Step 5: Solve for x
    x = 973,638,871.87/45,446.68
  6. Step 6: Final answer
    x = 21,423.76

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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.