Home / 30,440.56-42,008.06-17,012.32

Finding the Fourth Proportional to 30,440.56, 42,008.06 and 17,012.32

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Solution

The fourth proportional to 30,440.56, 42,008.06 and 17,012.32 is: 23,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.56 : 42,008.06 = 17,012.32 : x
  2. Step 2: Convert to fraction form
    30,440.56/42,008.06 = 17,012.32/x
  3. Step 3: Cross multiply
    30,440.56x = 42,008.06 × 17,012.32
  4. Step 4: Simplify right side
    30,440.56x = 714,654,559.30
  5. Step 5: Solve for x
    x = 714,654,559.30/30,440.56
  6. Step 6: Final answer
    x = 23,477.05

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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.