Home / 31,458.04-43,412.06-17,310.88

Finding the Fourth Proportional to 31,458.04, 43,412.06 and 17,310.88

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Solution

The fourth proportional to 31,458.04, 43,412.06 and 17,310.88 is: 23,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.04 : 43,412.06 = 17,310.88 : x
  2. Step 2: Convert to fraction form
    31,458.04/43,412.06 = 17,310.88/x
  3. Step 3: Cross multiply
    31,458.04x = 43,412.06 × 17,310.88
  4. Step 4: Simplify right side
    31,458.04x = 751,501,058.76
  5. Step 5: Solve for x
    x = 751,501,058.76/31,458.04
  6. Step 6: Final answer
    x = 23,889.00

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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.