Home / 30,595.14-42,221.52-17,166.56

Finding the Fourth Proportional to 30,595.14, 42,221.52 and 17,166.56

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Solution

The fourth proportional to 30,595.14, 42,221.52 and 17,166.56 is: 23,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.14 : 42,221.52 = 17,166.56 : x
  2. Step 2: Convert to fraction form
    30,595.14/42,221.52 = 17,166.56/x
  3. Step 3: Cross multiply
    30,595.14x = 42,221.52 × 17,166.56
  4. Step 4: Simplify right side
    30,595.14x = 724,798,045.26
  5. Step 5: Solve for x
    x = 724,798,045.26/30,595.14
  6. Step 6: Final answer
    x = 23,689.97

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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.