Home / 30,293.18-41,798.49-18,349.58

Finding the Fourth Proportional to 30,293.18, 41,798.49 and 18,349.58

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Solution

The fourth proportional to 30,293.18, 41,798.49 and 18,349.58 is: 25,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.18 : 41,798.49 = 18,349.58 : x
  2. Step 2: Convert to fraction form
    30,293.18/41,798.49 = 18,349.58/x
  3. Step 3: Cross multiply
    30,293.18x = 41,798.49 × 18,349.58
  4. Step 4: Simplify right side
    30,293.18x = 766,984,771.82
  5. Step 5: Solve for x
    x = 766,984,771.82/30,293.18
  6. Step 6: Final answer
    x = 25,318.72

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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.