Home / 31,410.12-43,346.76-17,263.32

Finding the Fourth Proportional to 31,410.12, 43,346.76 and 17,263.32

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Solution

The fourth proportional to 31,410.12, 43,346.76 and 17,263.32 is: 23,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.12 : 43,346.76 = 17,263.32 : x
  2. Step 2: Convert to fraction form
    31,410.12/43,346.76 = 17,263.32/x
  3. Step 3: Cross multiply
    31,410.12x = 43,346.76 × 17,263.32
  4. Step 4: Simplify right side
    31,410.12x = 748,308,988.84
  5. Step 5: Solve for x
    x = 748,308,988.84/31,410.12
  6. Step 6: Final answer
    x = 23,823.82

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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.