Home / 34,715.58-47,920.08-22,782.78

Finding the Fourth Proportional to 34,715.58, 47,920.08 and 22,782.78

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Solution

The fourth proportional to 34,715.58, 47,920.08 and 22,782.78 is: 31,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.58 : 47,920.08 = 22,782.78 : x
  2. Step 2: Convert to fraction form
    34,715.58/47,920.08 = 22,782.78/x
  3. Step 3: Cross multiply
    34,715.58x = 47,920.08 × 22,782.78
  4. Step 4: Simplify right side
    34,715.58x = 1,091,752,640.22
  5. Step 5: Solve for x
    x = 1,091,752,640.22/34,715.58
  6. Step 6: Final answer
    x = 31,448.49

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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.