Home / 39,103.19-58,633.60-13,790.04

Finding the Fourth Proportional to 39,103.19, 58,633.60 and 13,790.04

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Solution

The fourth proportional to 39,103.19, 58,633.60 and 13,790.04 is: 20,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.19 : 58,633.60 = 13,790.04 : x
  2. Step 2: Convert to fraction form
    39,103.19/58,633.60 = 13,790.04/x
  3. Step 3: Cross multiply
    39,103.19x = 58,633.60 × 13,790.04
  4. Step 4: Simplify right side
    39,103.19x = 808,559,689.34
  5. Step 5: Solve for x
    x = 808,559,689.34/39,103.19
  6. Step 6: Final answer
    x = 20,677.59

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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.