Home / 31,447.13-43,397.16-17,106.96

Finding the Fourth Proportional to 31,447.13, 43,397.16 and 17,106.96

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Solution

The fourth proportional to 31,447.13, 43,397.16 and 17,106.96 is: 23,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.13 : 43,397.16 = 17,106.96 : x
  2. Step 2: Convert to fraction form
    31,447.13/43,397.16 = 17,106.96/x
  3. Step 3: Cross multiply
    31,447.13x = 43,397.16 × 17,106.96
  4. Step 4: Simplify right side
    31,447.13x = 742,393,480.23
  5. Step 5: Solve for x
    x = 742,393,480.23/31,447.13
  6. Step 6: Final answer
    x = 23,607.67

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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.