Home / 55,582.08-76,703.44-30,433.20

Finding the Fourth Proportional to 55,582.08, 76,703.44 and 30,433.20

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Solution

The fourth proportional to 55,582.08, 76,703.44 and 30,433.20 is: 41,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,582.08 : 76,703.44 = 30,433.20 : x
  2. Step 2: Convert to fraction form
    55,582.08/76,703.44 = 30,433.20/x
  3. Step 3: Cross multiply
    55,582.08x = 76,703.44 × 30,433.20
  4. Step 4: Simplify right side
    55,582.08x = 2,334,331,130.21
  5. Step 5: Solve for x
    x = 2,334,331,130.21/55,582.08
  6. Step 6: Final answer
    x = 41,997.91

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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.