Home / 38,107.80-56,999.70-34,187.40

Finding the Fourth Proportional to 38,107.80, 56,999.70 and 34,187.40

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Solution

The fourth proportional to 38,107.80, 56,999.70 and 34,187.40 is: 51,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.80 : 56,999.70 = 34,187.40 : x
  2. Step 2: Convert to fraction form
    38,107.80/56,999.70 = 34,187.40/x
  3. Step 3: Cross multiply
    38,107.80x = 56,999.70 × 34,187.40
  4. Step 4: Simplify right side
    38,107.80x = 1,948,671,543.78
  5. Step 5: Solve for x
    x = 1,948,671,543.78/38,107.80
  6. Step 6: Final answer
    x = 51,135.77

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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.