Home / 33,785.60-46,624.70-19,638.45

Finding the Fourth Proportional to 33,785.60, 46,624.70 and 19,638.45

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Solution

The fourth proportional to 33,785.60, 46,624.70 and 19,638.45 is: 27,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,785.60 : 46,624.70 = 19,638.45 : x
  2. Step 2: Convert to fraction form
    33,785.60/46,624.70 = 19,638.45/x
  3. Step 3: Cross multiply
    33,785.60x = 46,624.70 × 19,638.45
  4. Step 4: Simplify right side
    33,785.60x = 915,636,888.81
  5. Step 5: Solve for x
    x = 915,636,888.81/33,785.60
  6. Step 6: Final answer
    x = 27,101.40

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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.