Home / 58,018.20-87,027.30-18,576.60

Finding the Fourth Proportional to 58,018.20, 87,027.30 and 18,576.60

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Solution

The fourth proportional to 58,018.20, 87,027.30 and 18,576.60 is: 27,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,018.20 : 87,027.30 = 18,576.60 : x
  2. Step 2: Convert to fraction form
    58,018.20/87,027.30 = 18,576.60/x
  3. Step 3: Cross multiply
    58,018.20x = 87,027.30 × 18,576.60
  4. Step 4: Simplify right side
    58,018.20x = 1,616,671,341.18
  5. Step 5: Solve for x
    x = 1,616,671,341.18/58,018.20
  6. Step 6: Final answer
    x = 27,864.90

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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.