Home / 30,098.16-41,542.29-18,765.45

Finding the Fourth Proportional to 30,098.16, 41,542.29 and 18,765.45

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Solution

The fourth proportional to 30,098.16, 41,542.29 and 18,765.45 is: 25,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098.16 : 41,542.29 = 18,765.45 : x
  2. Step 2: Convert to fraction form
    30,098.16/41,542.29 = 18,765.45/x
  3. Step 3: Cross multiply
    30,098.16x = 41,542.29 × 18,765.45
  4. Step 4: Simplify right side
    30,098.16x = 779,559,765.88
  5. Step 5: Solve for x
    x = 779,559,765.88/30,098.16
  6. Step 6: Final answer
    x = 25,900.58

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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.