Home / 34,186.08-51,248.80-13,404.80

Finding the Fourth Proportional to 34,186.08, 51,248.80 and 13,404.80

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Solution

The fourth proportional to 34,186.08, 51,248.80 and 13,404.80 is: 20,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.08 : 51,248.80 = 13,404.80 : x
  2. Step 2: Convert to fraction form
    34,186.08/51,248.80 = 13,404.80/x
  3. Step 3: Cross multiply
    34,186.08x = 51,248.80 × 13,404.80
  4. Step 4: Simplify right side
    34,186.08x = 686,979,914.24
  5. Step 5: Solve for x
    x = 686,979,914.24/34,186.08
  6. Step 6: Final answer
    x = 20,095.31

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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.