Home / 58,331.20-87,509.56-18,892.30

Finding the Fourth Proportional to 58,331.20, 87,509.56 and 18,892.30

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Solution

The fourth proportional to 58,331.20, 87,509.56 and 18,892.30 is: 28,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.20 : 87,509.56 = 18,892.30 : x
  2. Step 2: Convert to fraction form
    58,331.20/87,509.56 = 18,892.30/x
  3. Step 3: Cross multiply
    58,331.20x = 87,509.56 × 18,892.30
  4. Step 4: Simplify right side
    58,331.20x = 1,653,256,860.39
  5. Step 5: Solve for x
    x = 1,653,256,860.39/58,331.20
  6. Step 6: Final answer
    x = 28,342.58

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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.