Home / 56,234.04-84,358.50-20,690.52

Finding the Fourth Proportional to 56,234.04, 84,358.50 and 20,690.52

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Solution

The fourth proportional to 56,234.04, 84,358.50 and 20,690.52 is: 31,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,234.04 : 84,358.50 = 20,690.52 : x
  2. Step 2: Convert to fraction form
    56,234.04/84,358.50 = 20,690.52/x
  3. Step 3: Cross multiply
    56,234.04x = 84,358.50 × 20,690.52
  4. Step 4: Simplify right side
    56,234.04x = 1,745,421,231.42
  5. Step 5: Solve for x
    x = 1,745,421,231.42/56,234.04
  6. Step 6: Final answer
    x = 31,038.52

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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.