Home / 53,582.24-80,203.44-30,139.04

Finding the Fourth Proportional to 53,582.24, 80,203.44 and 30,139.04

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Solution

The fourth proportional to 53,582.24, 80,203.44 and 30,139.04 is: 45,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,582.24 : 80,203.44 = 30,139.04 : x
  2. Step 2: Convert to fraction form
    53,582.24/80,203.44 = 30,139.04/x
  3. Step 3: Cross multiply
    53,582.24x = 80,203.44 × 30,139.04
  4. Step 4: Simplify right side
    53,582.24x = 2,417,254,686.30
  5. Step 5: Solve for x
    x = 2,417,254,686.30/53,582.24
  6. Step 6: Final answer
    x = 45,112.98

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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.