Home / 31,225.64-43,090.47-17,078.18

Finding the Fourth Proportional to 31,225.64, 43,090.47 and 17,078.18

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Solution

The fourth proportional to 31,225.64, 43,090.47 and 17,078.18 is: 23,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.64 : 43,090.47 = 17,078.18 : x
  2. Step 2: Convert to fraction form
    31,225.64/43,090.47 = 17,078.18/x
  3. Step 3: Cross multiply
    31,225.64x = 43,090.47 × 17,078.18
  4. Step 4: Simplify right side
    31,225.64x = 735,906,802.94
  5. Step 5: Solve for x
    x = 735,906,802.94/31,225.64
  6. Step 6: Final answer
    x = 23,567.39

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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.