Home / 31,507.44-43,478.67-17,359.98

Finding the Fourth Proportional to 31,507.44, 43,478.67 and 17,359.98

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Solution

The fourth proportional to 31,507.44, 43,478.67 and 17,359.98 is: 23,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.44 : 43,478.67 = 17,359.98 : x
  2. Step 2: Convert to fraction form
    31,507.44/43,478.67 = 17,359.98/x
  3. Step 3: Cross multiply
    31,507.44x = 43,478.67 × 17,359.98
  4. Step 4: Simplify right side
    31,507.44x = 754,788,841.63
  5. Step 5: Solve for x
    x = 754,788,841.63/31,507.44
  6. Step 6: Final answer
    x = 23,955.89

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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.