Home / 30,473.43-42,053.45-17,043.83

Finding the Fourth Proportional to 30,473.43, 42,053.45 and 17,043.83

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Solution

The fourth proportional to 30,473.43, 42,053.45 and 17,043.83 is: 23,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.43 : 42,053.45 = 17,043.83 : x
  2. Step 2: Convert to fraction form
    30,473.43/42,053.45 = 17,043.83/x
  3. Step 3: Cross multiply
    30,473.43x = 42,053.45 × 17,043.83
  4. Step 4: Simplify right side
    30,473.43x = 716,751,810.02
  5. Step 5: Solve for x
    x = 716,751,810.02/30,473.43
  6. Step 6: Final answer
    x = 23,520.55

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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.