Home / 33,421.71-46,117.58-19,988.06

Finding the Fourth Proportional to 33,421.71, 46,117.58 and 19,988.06

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Solution

The fourth proportional to 33,421.71, 46,117.58 and 19,988.06 is: 27,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.71 : 46,117.58 = 19,988.06 : x
  2. Step 2: Convert to fraction form
    33,421.71/46,117.58 = 19,988.06/x
  3. Step 3: Cross multiply
    33,421.71x = 46,117.58 × 19,988.06
  4. Step 4: Simplify right side
    33,421.71x = 921,801,121.36
  5. Step 5: Solve for x
    x = 921,801,121.36/33,421.71
  6. Step 6: Final answer
    x = 27,580.91

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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.