Home / 58,339.08-87,519.42-18,892.20

Finding the Fourth Proportional to 58,339.08, 87,519.42 and 18,892.20

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Solution

The fourth proportional to 58,339.08, 87,519.42 and 18,892.20 is: 28,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,339.08 : 87,519.42 = 18,892.20 : x
  2. Step 2: Convert to fraction form
    58,339.08/87,519.42 = 18,892.20/x
  3. Step 3: Cross multiply
    58,339.08x = 87,519.42 × 18,892.20
  4. Step 4: Simplify right side
    58,339.08x = 1,653,434,386.52
  5. Step 5: Solve for x
    x = 1,653,434,386.52/58,339.08
  6. Step 6: Final answer
    x = 28,341.80

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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.