Home / 58,625.07-87,945.80-19,174.32

Finding the Fourth Proportional to 58,625.07, 87,945.80 and 19,174.32

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Solution

The fourth proportional to 58,625.07, 87,945.80 and 19,174.32 is: 28,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,625.07 : 87,945.80 = 19,174.32 : x
  2. Step 2: Convert to fraction form
    58,625.07/87,945.80 = 19,174.32/x
  3. Step 3: Cross multiply
    58,625.07x = 87,945.80 × 19,174.32
  4. Step 4: Simplify right side
    58,625.07x = 1,686,300,911.86
  5. Step 5: Solve for x
    x = 1,686,300,911.86/58,625.07
  6. Step 6: Final answer
    x = 28,764.16

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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.