Home / 57,036.96-85,497.12-21,962.88

Finding the Fourth Proportional to 57,036.96, 85,497.12 and 21,962.88

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Solution

The fourth proportional to 57,036.96, 85,497.12 and 21,962.88 is: 32,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.96 : 85,497.12 = 21,962.88 : x
  2. Step 2: Convert to fraction form
    57,036.96/85,497.12 = 21,962.88/x
  3. Step 3: Cross multiply
    57,036.96x = 85,497.12 × 21,962.88
  4. Step 4: Simplify right side
    57,036.96x = 1,877,762,986.91
  5. Step 5: Solve for x
    x = 1,877,762,986.91/57,036.96
  6. Step 6: Final answer
    x = 32,921.86

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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.