Home / 31,132.36-46,684.68-11,397.16

Finding the Fourth Proportional to 31,132.36, 46,684.68 and 11,397.16

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Solution

The fourth proportional to 31,132.36, 46,684.68 and 11,397.16 is: 17,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.36 : 46,684.68 = 11,397.16 : x
  2. Step 2: Convert to fraction form
    31,132.36/46,684.68 = 11,397.16/x
  3. Step 3: Cross multiply
    31,132.36x = 46,684.68 × 11,397.16
  4. Step 4: Simplify right side
    31,132.36x = 532,072,767.51
  5. Step 5: Solve for x
    x = 532,072,767.51/31,132.36
  6. Step 6: Final answer
    x = 17,090.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.