Home / 30,953.52-42,715.95-16,806.36

Finding the Fourth Proportional to 30,953.52, 42,715.95 and 16,806.36

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Solution

The fourth proportional to 30,953.52, 42,715.95 and 16,806.36 is: 23,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.52 : 42,715.95 = 16,806.36 : x
  2. Step 2: Convert to fraction form
    30,953.52/42,715.95 = 16,806.36/x
  3. Step 3: Cross multiply
    30,953.52x = 42,715.95 × 16,806.36
  4. Step 4: Simplify right side
    30,953.52x = 717,899,633.44
  5. Step 5: Solve for x
    x = 717,899,633.44/30,953.52
  6. Step 6: Final answer
    x = 23,192.83

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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.