Home / 34,271.19-51,406.78-19,279.30

Finding the Fourth Proportional to 34,271.19, 51,406.78 and 19,279.30

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Solution

The fourth proportional to 34,271.19, 51,406.78 and 19,279.30 is: 28,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,271.19 : 51,406.78 = 19,279.30 : x
  2. Step 2: Convert to fraction form
    34,271.19/51,406.78 = 19,279.30/x
  3. Step 3: Cross multiply
    34,271.19x = 51,406.78 × 19,279.30
  4. Step 4: Simplify right side
    34,271.19x = 991,086,637.26
  5. Step 5: Solve for x
    x = 991,086,637.26/34,271.19
  6. Step 6: Final answer
    x = 28,918.95

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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.