Home / 58,333.20-87,512.56-18,894.30

Finding the Fourth Proportional to 58,333.20, 87,512.56 and 18,894.30

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Solution

The fourth proportional to 58,333.20, 87,512.56 and 18,894.30 is: 28,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,333.20 : 87,512.56 = 18,894.30 : x
  2. Step 2: Convert to fraction form
    58,333.20/87,512.56 = 18,894.30/x
  3. Step 3: Cross multiply
    58,333.20x = 87,512.56 × 18,894.30
  4. Step 4: Simplify right side
    58,333.20x = 1,653,488,562.41
  5. Step 5: Solve for x
    x = 1,653,488,562.41/58,333.20
  6. Step 6: Final answer
    x = 28,345.58

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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.