Home / 30,472.24-42,051.38-17,043.32

Finding the Fourth Proportional to 30,472.24, 42,051.38 and 17,043.32

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Solution

The fourth proportional to 30,472.24, 42,051.38 and 17,043.32 is: 23,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.24 : 42,051.38 = 17,043.32 : x
  2. Step 2: Convert to fraction form
    30,472.24/42,051.38 = 17,043.32/x
  3. Step 3: Cross multiply
    30,472.24x = 42,051.38 × 17,043.32
  4. Step 4: Simplify right side
    30,472.24x = 716,695,125.78
  5. Step 5: Solve for x
    x = 716,695,125.78/30,472.24
  6. Step 6: Final answer
    x = 23,519.61

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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.