Home / 58,532.45-87,789.77-19,089.50

Finding the Fourth Proportional to 58,532.45, 87,789.77 and 19,089.50

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Solution

The fourth proportional to 58,532.45, 87,789.77 and 19,089.50 is: 28,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,532.45 : 87,789.77 = 19,089.50 : x
  2. Step 2: Convert to fraction form
    58,532.45/87,789.77 = 19,089.50/x
  3. Step 3: Cross multiply
    58,532.45x = 87,789.77 × 19,089.50
  4. Step 4: Simplify right side
    58,532.45x = 1,675,862,718.97
  5. Step 5: Solve for x
    x = 1,675,862,718.97/58,532.45
  6. Step 6: Final answer
    x = 28,631.34

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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.