Home / 56,000.96-83,956.08-20,935.52

Finding the Fourth Proportional to 56,000.96, 83,956.08 and 20,935.52

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Solution

The fourth proportional to 56,000.96, 83,956.08 and 20,935.52 is: 31,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.96 : 83,956.08 = 20,935.52 : x
  2. Step 2: Convert to fraction form
    56,000.96/83,956.08 = 20,935.52/x
  3. Step 3: Cross multiply
    56,000.96x = 83,956.08 × 20,935.52
  4. Step 4: Simplify right side
    56,000.96x = 1,757,664,191.96
  5. Step 5: Solve for x
    x = 1,757,664,191.96/56,000.96
  6. Step 6: Final answer
    x = 31,386.32

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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.