Home / 45,538.56-68,311.08-14,373

Finding the Fourth Proportional to 45,538.56, 68,311.08 and 14,373

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Solution

The fourth proportional to 45,538.56, 68,311.08 and 14,373 is: 21,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.56 : 68,311.08 = 14,373 : x
  2. Step 2: Convert to fraction form
    45,538.56/68,311.08 = 14,373/x
  3. Step 3: Cross multiply
    45,538.56x = 68,311.08 × 14,373
  4. Step 4: Simplify right side
    45,538.56x = 981,835,152.84
  5. Step 5: Solve for x
    x = 981,835,152.84/45,538.56
  6. Step 6: Final answer
    x = 21,560.52

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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.