Home / 56,455.22-84,695.80-19,014.32

Finding the Fourth Proportional to 56,455.22, 84,695.80 and 19,014.32

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Solution

The fourth proportional to 56,455.22, 84,695.80 and 19,014.32 is: 28,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.22 : 84,695.80 = 19,014.32 : x
  2. Step 2: Convert to fraction form
    56,455.22/84,695.80 = 19,014.32/x
  3. Step 3: Cross multiply
    56,455.22x = 84,695.80 × 19,014.32
  4. Step 4: Simplify right side
    56,455.22x = 1,610,433,043.86
  5. Step 5: Solve for x
    x = 1,610,433,043.86/56,455.22
  6. Step 6: Final answer
    x = 28,525.85

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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.