Home / 30,696.30-42,348.87-17,264.46

Finding the Fourth Proportional to 30,696.30, 42,348.87 and 17,264.46

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Solution

The fourth proportional to 30,696.30, 42,348.87 and 17,264.46 is: 23,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696.30 : 42,348.87 = 17,264.46 : x
  2. Step 2: Convert to fraction form
    30,696.30/42,348.87 = 17,264.46/x
  3. Step 3: Cross multiply
    30,696.30x = 42,348.87 × 17,264.46
  4. Step 4: Simplify right side
    30,696.30x = 731,130,372.16
  5. Step 5: Solve for x
    x = 731,130,372.16/30,696.30
  6. Step 6: Final answer
    x = 23,818.19

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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.