Home / 31,547.88-43,538.92-22,001.63

Finding the Fourth Proportional to 31,547.88, 43,538.92 and 22,001.63

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Solution

The fourth proportional to 31,547.88, 43,538.92 and 22,001.63 is: 30,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.88 : 43,538.92 = 22,001.63 : x
  2. Step 2: Convert to fraction form
    31,547.88/43,538.92 = 22,001.63/x
  3. Step 3: Cross multiply
    31,547.88x = 43,538.92 × 22,001.63
  4. Step 4: Simplify right side
    31,547.88x = 957,926,935.74
  5. Step 5: Solve for x
    x = 957,926,935.74/31,547.88
  6. Step 6: Final answer
    x = 30,364.23

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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.