Home / 34,254.48-47,271.51-20,107.56

Finding the Fourth Proportional to 34,254.48, 47,271.51 and 20,107.56

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Solution

The fourth proportional to 34,254.48, 47,271.51 and 20,107.56 is: 27,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.48 : 47,271.51 = 20,107.56 : x
  2. Step 2: Convert to fraction form
    34,254.48/47,271.51 = 20,107.56/x
  3. Step 3: Cross multiply
    34,254.48x = 47,271.51 × 20,107.56
  4. Step 4: Simplify right side
    34,254.48x = 950,514,723.62
  5. Step 5: Solve for x
    x = 950,514,723.62/34,254.48
  6. Step 6: Final answer
    x = 27,748.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.