Home / 31,459.93-43,415.01-17,313.10

Finding the Fourth Proportional to 31,459.93, 43,415.01 and 17,313.10

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Solution

The fourth proportional to 31,459.93, 43,415.01 and 17,313.10 is: 23,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.93 : 43,415.01 = 17,313.10 : x
  2. Step 2: Convert to fraction form
    31,459.93/43,415.01 = 17,313.10/x
  3. Step 3: Cross multiply
    31,459.93x = 43,415.01 × 17,313.10
  4. Step 4: Simplify right side
    31,459.93x = 751,648,409.63
  5. Step 5: Solve for x
    x = 751,648,409.63/31,459.93
  6. Step 6: Final answer
    x = 23,892.25

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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.