Home / 55,536.80-76,642.64-30,386.32

Finding the Fourth Proportional to 55,536.80, 76,642.64 and 30,386.32

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Solution

The fourth proportional to 55,536.80, 76,642.64 and 30,386.32 is: 41,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.80 : 76,642.64 = 30,386.32 : x
  2. Step 2: Convert to fraction form
    55,536.80/76,642.64 = 30,386.32/x
  3. Step 3: Cross multiply
    55,536.80x = 76,642.64 × 30,386.32
  4. Step 4: Simplify right side
    55,536.80x = 2,328,887,784.68
  5. Step 5: Solve for x
    x = 2,328,887,784.68/55,536.80
  6. Step 6: Final answer
    x = 41,934.14

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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.