Home / 56,370.56-84,557.89-18,931.85

Finding the Fourth Proportional to 56,370.56, 84,557.89 and 18,931.85

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Solution

The fourth proportional to 56,370.56, 84,557.89 and 18,931.85 is: 28,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,370.56 : 84,557.89 = 18,931.85 : x
  2. Step 2: Convert to fraction form
    56,370.56/84,557.89 = 18,931.85/x
  3. Step 3: Cross multiply
    56,370.56x = 84,557.89 × 18,931.85
  4. Step 4: Simplify right side
    56,370.56x = 1,600,837,289.80
  5. Step 5: Solve for x
    x = 1,600,837,289.80/56,370.56
  6. Step 6: Final answer
    x = 28,398.46

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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.