Home / 52,687.32-79,031.02-21,522.58

Finding the Fourth Proportional to 52,687.32, 79,031.02 and 21,522.58

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Solution

The fourth proportional to 52,687.32, 79,031.02 and 21,522.58 is: 32,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,687.32 : 79,031.02 = 21,522.58 : x
  2. Step 2: Convert to fraction form
    52,687.32/79,031.02 = 21,522.58/x
  3. Step 3: Cross multiply
    52,687.32x = 79,031.02 × 21,522.58
  4. Step 4: Simplify right side
    52,687.32x = 1,700,951,450.43
  5. Step 5: Solve for x
    x = 1,700,951,450.43/52,687.32
  6. Step 6: Final answer
    x = 32,283.89

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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.