Home / 57,017.17-85,529.26-21,956.86

Finding the Fourth Proportional to 57,017.17, 85,529.26 and 21,956.86

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Solution

The fourth proportional to 57,017.17, 85,529.26 and 21,956.86 is: 32,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.17 : 85,529.26 = 21,956.86 : x
  2. Step 2: Convert to fraction form
    57,017.17/85,529.26 = 21,956.86/x
  3. Step 3: Cross multiply
    57,017.17x = 85,529.26 × 21,956.86
  4. Step 4: Simplify right side
    57,017.17x = 1,877,953,560.08
  5. Step 5: Solve for x
    x = 1,877,953,560.08/57,017.17
  6. Step 6: Final answer
    x = 32,936.64

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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.