Home / 30,492.90-42,076.80-17,062.29

Finding the Fourth Proportional to 30,492.90, 42,076.80 and 17,062.29

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Solution

The fourth proportional to 30,492.90, 42,076.80 and 17,062.29 is: 23,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492.90 : 42,076.80 = 17,062.29 : x
  2. Step 2: Convert to fraction form
    30,492.90/42,076.80 = 17,062.29/x
  3. Step 3: Cross multiply
    30,492.90x = 42,076.80 × 17,062.29
  4. Step 4: Simplify right side
    30,492.90x = 717,926,563.87
  5. Step 5: Solve for x
    x = 717,926,563.87/30,492.90
  6. Step 6: Final answer
    x = 23,544.06

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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.