Home / 31,437.09-43,384.01-17,290.31

Finding the Fourth Proportional to 31,437.09, 43,384.01 and 17,290.31

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Solution

The fourth proportional to 31,437.09, 43,384.01 and 17,290.31 is: 23,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.09 : 43,384.01 = 17,290.31 : x
  2. Step 2: Convert to fraction form
    31,437.09/43,384.01 = 17,290.31/x
  3. Step 3: Cross multiply
    31,437.09x = 43,384.01 × 17,290.31
  4. Step 4: Simplify right side
    31,437.09x = 750,122,678.57
  5. Step 5: Solve for x
    x = 750,122,678.57/31,437.09
  6. Step 6: Final answer
    x = 23,861.07

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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.