Home / 30,953.23-42,715.72-16,806.11

Finding the Fourth Proportional to 30,953.23, 42,715.72 and 16,806.11

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Solution

The fourth proportional to 30,953.23, 42,715.72 and 16,806.11 is: 23,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.23 : 42,715.72 = 16,806.11 : x
  2. Step 2: Convert to fraction form
    30,953.23/42,715.72 = 16,806.11/x
  3. Step 3: Cross multiply
    30,953.23x = 42,715.72 × 16,806.11
  4. Step 4: Simplify right side
    30,953.23x = 717,884,896.48
  5. Step 5: Solve for x
    x = 717,884,896.48/30,953.23
  6. Step 6: Final answer
    x = 23,192.57

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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.