Home / 34,876.58-48,136.61-20,726.69

Finding the Fourth Proportional to 34,876.58, 48,136.61 and 20,726.69

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Solution

The fourth proportional to 34,876.58, 48,136.61 and 20,726.69 is: 28,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.58 : 48,136.61 = 20,726.69 : x
  2. Step 2: Convert to fraction form
    34,876.58/48,136.61 = 20,726.69/x
  3. Step 3: Cross multiply
    34,876.58x = 48,136.61 × 20,726.69
  4. Step 4: Simplify right side
    34,876.58x = 997,712,404.25
  5. Step 5: Solve for x
    x = 997,712,404.25/34,876.58
  6. Step 6: Final answer
    x = 28,606.95

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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.