Home / 30,839.20-46,226.40-17,663.20

Finding the Fourth Proportional to 30,839.20, 46,226.40 and 17,663.20

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Solution

The fourth proportional to 30,839.20, 46,226.40 and 17,663.20 is: 26,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.20 : 46,226.40 = 17,663.20 : x
  2. Step 2: Convert to fraction form
    30,839.20/46,226.40 = 17,663.20/x
  3. Step 3: Cross multiply
    30,839.20x = 46,226.40 × 17,663.20
  4. Step 4: Simplify right side
    30,839.20x = 816,506,148.48
  5. Step 5: Solve for x
    x = 816,506,148.48/30,839.20
  6. Step 6: Final answer
    x = 26,476.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.