Home / 30,792.74-42,490.36-17,363.20

Finding the Fourth Proportional to 30,792.74, 42,490.36 and 17,363.20

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Solution

The fourth proportional to 30,792.74, 42,490.36 and 17,363.20 is: 23,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.74 : 42,490.36 = 17,363.20 : x
  2. Step 2: Convert to fraction form
    30,792.74/42,490.36 = 17,363.20/x
  3. Step 3: Cross multiply
    30,792.74x = 42,490.36 × 17,363.20
  4. Step 4: Simplify right side
    30,792.74x = 737,768,618.75
  5. Step 5: Solve for x
    x = 737,768,618.75/30,792.74
  6. Step 6: Final answer
    x = 23,959.17

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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.