Home / 30,476.90-42,059.98-17,049.06

Finding the Fourth Proportional to 30,476.90, 42,059.98 and 17,049.06

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Solution

The fourth proportional to 30,476.90, 42,059.98 and 17,049.06 is: 23,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.90 : 42,059.98 = 17,049.06 : x
  2. Step 2: Convert to fraction form
    30,476.90/42,059.98 = 17,049.06/x
  3. Step 3: Cross multiply
    30,476.90x = 42,059.98 × 17,049.06
  4. Step 4: Simplify right side
    30,476.90x = 717,082,827.07
  5. Step 5: Solve for x
    x = 717,082,827.07/30,476.90
  6. Step 6: Final answer
    x = 23,528.74

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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.