Home / 56,430.72-77,879.96-32,235.30

Finding the Fourth Proportional to 56,430.72, 77,879.96 and 32,235.30

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Solution

The fourth proportional to 56,430.72, 77,879.96 and 32,235.30 is: 44,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.72 : 77,879.96 = 32,235.30 : x
  2. Step 2: Convert to fraction form
    56,430.72/77,879.96 = 32,235.30/x
  3. Step 3: Cross multiply
    56,430.72x = 77,879.96 × 32,235.30
  4. Step 4: Simplify right side
    56,430.72x = 2,510,483,874.59
  5. Step 5: Solve for x
    x = 2,510,483,874.59/56,430.72
  6. Step 6: Final answer
    x = 44,487.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.