Home / 55,536.42-76,640.04-30,042.81

Finding the Fourth Proportional to 55,536.42, 76,640.04 and 30,042.81

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Solution

The fourth proportional to 55,536.42, 76,640.04 and 30,042.81 is: 41,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.42 : 76,640.04 = 30,042.81 : x
  2. Step 2: Convert to fraction form
    55,536.42/76,640.04 = 30,042.81/x
  3. Step 3: Cross multiply
    55,536.42x = 76,640.04 × 30,042.81
  4. Step 4: Simplify right side
    55,536.42x = 2,302,482,160.11
  5. Step 5: Solve for x
    x = 2,302,482,160.11/55,536.42
  6. Step 6: Final answer
    x = 41,458.96

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1.5x scale

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.