Home / 30,700.44-42,365.58-17,272.26

Finding the Fourth Proportional to 30,700.44, 42,365.58 and 17,272.26

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Solution

The fourth proportional to 30,700.44, 42,365.58 and 17,272.26 is: 23,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.44 : 42,365.58 = 17,272.26 : x
  2. Step 2: Convert to fraction form
    30,700.44/42,365.58 = 17,272.26/x
  3. Step 3: Cross multiply
    30,700.44x = 42,365.58 × 17,272.26
  4. Step 4: Simplify right side
    30,700.44x = 731,749,312.81
  5. Step 5: Solve for x
    x = 731,749,312.81/30,700.44
  6. Step 6: Final answer
    x = 23,835.14

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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.