Home / 30,838.23-42,554.39-17,410.81

Finding the Fourth Proportional to 30,838.23, 42,554.39 and 17,410.81

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Solution

The fourth proportional to 30,838.23, 42,554.39 and 17,410.81 is: 24,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.23 : 42,554.39 = 17,410.81 : x
  2. Step 2: Convert to fraction form
    30,838.23/42,554.39 = 17,410.81/x
  3. Step 3: Cross multiply
    30,838.23x = 42,554.39 × 17,410.81
  4. Step 4: Simplify right side
    30,838.23x = 740,906,398.96
  5. Step 5: Solve for x
    x = 740,906,398.96/30,838.23
  6. Step 6: Final answer
    x = 24,025.58

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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.