Home / 31,532.09-43,514.01-17,384.63

Finding the Fourth Proportional to 31,532.09, 43,514.01 and 17,384.63

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Solution

The fourth proportional to 31,532.09, 43,514.01 and 17,384.63 is: 23,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.09 : 43,514.01 = 17,384.63 : x
  2. Step 2: Convert to fraction form
    31,532.09/43,514.01 = 17,384.63/x
  3. Step 3: Cross multiply
    31,532.09x = 43,514.01 × 17,384.63
  4. Step 4: Simplify right side
    31,532.09x = 756,474,746.10
  5. Step 5: Solve for x
    x = 756,474,746.10/31,532.09
  6. Step 6: Final answer
    x = 23,990.64

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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.