Home / 35,755.09-53,644.21-21,538.98

Finding the Fourth Proportional to 35,755.09, 53,644.21 and 21,538.98

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Solution

The fourth proportional to 35,755.09, 53,644.21 and 21,538.98 is: 32,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.09 : 53,644.21 = 21,538.98 : x
  2. Step 2: Convert to fraction form
    35,755.09/53,644.21 = 21,538.98/x
  3. Step 3: Cross multiply
    35,755.09x = 53,644.21 × 21,538.98
  4. Step 4: Simplify right side
    35,755.09x = 1,155,441,512.46
  5. Step 5: Solve for x
    x = 1,155,441,512.46/35,755.09
  6. Step 6: Final answer
    x = 32,315.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.