Home / 58,147.47-87,165.83-18,676.91

Finding the Fourth Proportional to 58,147.47, 87,165.83 and 18,676.91

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Solution

The fourth proportional to 58,147.47, 87,165.83 and 18,676.91 is: 27,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,147.47 : 87,165.83 = 18,676.91 : x
  2. Step 2: Convert to fraction form
    58,147.47/87,165.83 = 18,676.91/x
  3. Step 3: Cross multiply
    58,147.47x = 87,165.83 × 18,676.91
  4. Step 4: Simplify right side
    58,147.47x = 1,627,987,926.16
  5. Step 5: Solve for x
    x = 1,627,987,926.16/58,147.47
  6. Step 6: Final answer
    x = 27,997.57

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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.