Home / 31,858.31-43,964.47-17,713.89

Finding the Fourth Proportional to 31,858.31, 43,964.47 and 17,713.89

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Solution

The fourth proportional to 31,858.31, 43,964.47 and 17,713.89 is: 24,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.31 : 43,964.47 = 17,713.89 : x
  2. Step 2: Convert to fraction form
    31,858.31/43,964.47 = 17,713.89/x
  3. Step 3: Cross multiply
    31,858.31x = 43,964.47 × 17,713.89
  4. Step 4: Simplify right side
    31,858.31x = 778,781,807.63
  5. Step 5: Solve for x
    x = 778,781,807.63/31,858.31
  6. Step 6: Final answer
    x = 24,445.17

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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.