Home / 58,039.45-86,942.53-30,279.13

Finding the Fourth Proportional to 58,039.45, 86,942.53 and 30,279.13

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Solution

The fourth proportional to 58,039.45, 86,942.53 and 30,279.13 is: 45,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,039.45 : 86,942.53 = 30,279.13 : x
  2. Step 2: Convert to fraction form
    58,039.45/86,942.53 = 30,279.13/x
  3. Step 3: Cross multiply
    58,039.45x = 86,942.53 × 30,279.13
  4. Step 4: Simplify right side
    58,039.45x = 2,632,544,168.40
  5. Step 5: Solve for x
    x = 2,632,544,168.40/58,039.45
  6. Step 6: Final answer
    x = 45,357.84

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1.5x scale

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.