Home / 31,995.58-44,168.06-20,670.60

Finding the Fourth Proportional to 31,995.58, 44,168.06 and 20,670.60

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Solution

The fourth proportional to 31,995.58, 44,168.06 and 20,670.60 is: 28,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.58 : 44,168.06 = 20,670.60 : x
  2. Step 2: Convert to fraction form
    31,995.58/44,168.06 = 20,670.60/x
  3. Step 3: Cross multiply
    31,995.58x = 44,168.06 × 20,670.60
  4. Step 4: Simplify right side
    31,995.58x = 912,980,301.04
  5. Step 5: Solve for x
    x = 912,980,301.04/31,995.58
  6. Step 6: Final answer
    x = 28,534.58

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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.