Home / 35,893.32-49,534.71-19,978.11

Finding the Fourth Proportional to 35,893.32, 49,534.71 and 19,978.11

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Solution

The fourth proportional to 35,893.32, 49,534.71 and 19,978.11 is: 27,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,893.32 : 49,534.71 = 19,978.11 : x
  2. Step 2: Convert to fraction form
    35,893.32/49,534.71 = 19,978.11/x
  3. Step 3: Cross multiply
    35,893.32x = 49,534.71 × 19,978.11
  4. Step 4: Simplify right side
    35,893.32x = 989,609,885.20
  5. Step 5: Solve for x
    x = 989,609,885.20/35,893.32
  6. Step 6: Final answer
    x = 27,570.87

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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.