Home / 31,261.17-43,140.49-17,114.93

Finding the Fourth Proportional to 31,261.17, 43,140.49 and 17,114.93

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Solution

The fourth proportional to 31,261.17, 43,140.49 and 17,114.93 is: 23,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.17 : 43,140.49 = 17,114.93 : x
  2. Step 2: Convert to fraction form
    31,261.17/43,140.49 = 17,114.93/x
  3. Step 3: Cross multiply
    31,261.17x = 43,140.49 × 17,114.93
  4. Step 4: Simplify right side
    31,261.17x = 738,346,466.52
  5. Step 5: Solve for x
    x = 738,346,466.52/31,261.17
  6. Step 6: Final answer
    x = 23,618.64

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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.