Home / 31,739.13-43,798.16-17,396.15

Finding the Fourth Proportional to 31,739.13, 43,798.16 and 17,396.15

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Solution

The fourth proportional to 31,739.13, 43,798.16 and 17,396.15 is: 24,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.13 : 43,798.16 = 17,396.15 : x
  2. Step 2: Convert to fraction form
    31,739.13/43,798.16 = 17,396.15/x
  3. Step 3: Cross multiply
    31,739.13x = 43,798.16 × 17,396.15
  4. Step 4: Simplify right side
    31,739.13x = 761,919,055.11
  5. Step 5: Solve for x
    x = 761,919,055.11/31,739.13
  6. Step 6: Final answer
    x = 24,005.67

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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.