Home / 34,271.69-51,407.53-19,279.80

Finding the Fourth Proportional to 34,271.69, 51,407.53 and 19,279.80

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Solution

The fourth proportional to 34,271.69, 51,407.53 and 19,279.80 is: 28,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,271.69 : 51,407.53 = 19,279.80 : x
  2. Step 2: Convert to fraction form
    34,271.69/51,407.53 = 19,279.80/x
  3. Step 3: Cross multiply
    34,271.69x = 51,407.53 × 19,279.80
  4. Step 4: Simplify right side
    34,271.69x = 991,126,800.50
  5. Step 5: Solve for x
    x = 991,126,800.50/34,271.69
  6. Step 6: Final answer
    x = 28,919.70

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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.