Home / 55,590.85-76,715.39-30,097.21

Finding the Fourth Proportional to 55,590.85, 76,715.39 and 30,097.21

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Solution

The fourth proportional to 55,590.85, 76,715.39 and 30,097.21 is: 41,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.85 : 76,715.39 = 30,097.21 : x
  2. Step 2: Convert to fraction form
    55,590.85/76,715.39 = 30,097.21/x
  3. Step 3: Cross multiply
    55,590.85x = 76,715.39 × 30,097.21
  4. Step 4: Simplify right side
    55,590.85x = 2,308,919,203.06
  5. Step 5: Solve for x
    x = 2,308,919,203.06/55,590.85
  6. Step 6: Final answer
    x = 41,534.16

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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.