Home / 31,460.55-43,415.50-17,313.39

Finding the Fourth Proportional to 31,460.55, 43,415.50 and 17,313.39

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Solution

The fourth proportional to 31,460.55, 43,415.50 and 17,313.39 is: 23,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.55 : 43,415.50 = 17,313.39 : x
  2. Step 2: Convert to fraction form
    31,460.55/43,415.50 = 17,313.39/x
  3. Step 3: Cross multiply
    31,460.55x = 43,415.50 × 17,313.39
  4. Step 4: Simplify right side
    31,460.55x = 751,669,483.55
  5. Step 5: Solve for x
    x = 751,669,483.55/31,460.55
  6. Step 6: Final answer
    x = 23,892.45

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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.