Home / 30,701.03-42,366.96-17,272.28

Finding the Fourth Proportional to 30,701.03, 42,366.96 and 17,272.28

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Solution

The fourth proportional to 30,701.03, 42,366.96 and 17,272.28 is: 23,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.03 : 42,366.96 = 17,272.28 : x
  2. Step 2: Convert to fraction form
    30,701.03/42,366.96 = 17,272.28/x
  3. Step 3: Cross multiply
    30,701.03x = 42,366.96 × 17,272.28
  4. Step 4: Simplify right side
    30,701.03x = 731,774,101.79
  5. Step 5: Solve for x
    x = 731,774,101.79/30,701.03
  6. Step 6: Final answer
    x = 23,835.49

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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.