Home / 35,886.03-49,522.36-19,970.21

Finding the Fourth Proportional to 35,886.03, 49,522.36 and 19,970.21

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Solution

The fourth proportional to 35,886.03, 49,522.36 and 19,970.21 is: 27,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,886.03 : 49,522.36 = 19,970.21 : x
  2. Step 2: Convert to fraction form
    35,886.03/49,522.36 = 19,970.21/x
  3. Step 3: Cross multiply
    35,886.03x = 49,522.36 × 19,970.21
  4. Step 4: Simplify right side
    35,886.03x = 988,971,928.90
  5. Step 5: Solve for x
    x = 988,971,928.90/35,886.03
  6. Step 6: Final answer
    x = 27,558.69

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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.