Home / 35,790.13-53,670.21-13,591.27

Finding the Fourth Proportional to 35,790.13, 53,670.21 and 13,591.27

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Solution

The fourth proportional to 35,790.13, 53,670.21 and 13,591.27 is: 20,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.13 : 53,670.21 = 13,591.27 : x
  2. Step 2: Convert to fraction form
    35,790.13/53,670.21 = 13,591.27/x
  3. Step 3: Cross multiply
    35,790.13x = 53,670.21 × 13,591.27
  4. Step 4: Simplify right side
    35,790.13x = 729,446,315.07
  5. Step 5: Solve for x
    x = 729,446,315.07/35,790.13
  6. Step 6: Final answer
    x = 20,381.21

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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.