Home / 38,578.56-53,250.36-22,450.68

Finding the Fourth Proportional to 38,578.56, 53,250.36 and 22,450.68

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Solution

The fourth proportional to 38,578.56, 53,250.36 and 22,450.68 is: 30,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.56 : 53,250.36 = 22,450.68 : x
  2. Step 2: Convert to fraction form
    38,578.56/53,250.36 = 22,450.68/x
  3. Step 3: Cross multiply
    38,578.56x = 53,250.36 × 22,450.68
  4. Step 4: Simplify right side
    38,578.56x = 1,195,506,792.24
  5. Step 5: Solve for x
    x = 1,195,506,792.24/38,578.56
  6. Step 6: Final answer
    x = 30,988.89

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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.