Home / 56,536.40-78,023.92-32,664.08

Finding the Fourth Proportional to 56,536.40, 78,023.92 and 32,664.08

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Solution

The fourth proportional to 56,536.40, 78,023.92 and 32,664.08 is: 45,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,536.40 : 78,023.92 = 32,664.08 : x
  2. Step 2: Convert to fraction form
    56,536.40/78,023.92 = 32,664.08/x
  3. Step 3: Cross multiply
    56,536.40x = 78,023.92 × 32,664.08
  4. Step 4: Simplify right side
    56,536.40x = 2,548,579,564.79
  5. Step 5: Solve for x
    x = 2,548,579,564.79/56,536.40
  6. Step 6: Final answer
    x = 45,078.56

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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.