Home / 58,619.06-87,936.80-19,168.32

Finding the Fourth Proportional to 58,619.06, 87,936.80 and 19,168.32

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Solution

The fourth proportional to 58,619.06, 87,936.80 and 19,168.32 is: 28,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,619.06 : 87,936.80 = 19,168.32 : x
  2. Step 2: Convert to fraction form
    58,619.06/87,936.80 = 19,168.32/x
  3. Step 3: Cross multiply
    58,619.06x = 87,936.80 × 19,168.32
  4. Step 4: Simplify right side
    58,619.06x = 1,685,600,722.18
  5. Step 5: Solve for x
    x = 1,685,600,722.18/58,619.06
  6. Step 6: Final answer
    x = 28,755.16

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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.