Home / 57,289.30-85,938.54-21,767.64

Finding the Fourth Proportional to 57,289.30, 85,938.54 and 21,767.64

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Solution

The fourth proportional to 57,289.30, 85,938.54 and 21,767.64 is: 32,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.30 : 85,938.54 = 21,767.64 : x
  2. Step 2: Convert to fraction form
    57,289.30/85,938.54 = 21,767.64/x
  3. Step 3: Cross multiply
    57,289.30x = 85,938.54 × 21,767.64
  4. Step 4: Simplify right side
    57,289.30x = 1,870,678,980.61
  5. Step 5: Solve for x
    x = 1,870,678,980.61/57,289.30
  6. Step 6: Final answer
    x = 32,653.20

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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.