Home / 56,682.48-84,985.24-31,739.68

Finding the Fourth Proportional to 56,682.48, 84,985.24 and 31,739.68

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Solution

The fourth proportional to 56,682.48, 84,985.24 and 31,739.68 is: 47,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,682.48 : 84,985.24 = 31,739.68 : x
  2. Step 2: Convert to fraction form
    56,682.48/84,985.24 = 31,739.68/x
  3. Step 3: Cross multiply
    56,682.48x = 84,985.24 × 31,739.68
  4. Step 4: Simplify right side
    56,682.48x = 2,697,404,322.32
  5. Step 5: Solve for x
    x = 2,697,404,322.32/56,682.48
  6. Step 6: Final answer
    x = 47,587.97

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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.