Home / 34,827.99-48,069.63-19,720.68

Finding the Fourth Proportional to 34,827.99, 48,069.63 and 19,720.68

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Solution

The fourth proportional to 34,827.99, 48,069.63 and 19,720.68 is: 27,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,827.99 : 48,069.63 = 19,720.68 : x
  2. Step 2: Convert to fraction form
    34,827.99/48,069.63 = 19,720.68/x
  3. Step 3: Cross multiply
    34,827.99x = 48,069.63 × 19,720.68
  4. Step 4: Simplify right side
    34,827.99x = 947,965,790.95
  5. Step 5: Solve for x
    x = 947,965,790.95/34,827.99
  6. Step 6: Final answer
    x = 27,218.50

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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.