Home / 50,838.30-76,290.39-38,386.98

Finding the Fourth Proportional to 50,838.30, 76,290.39 and 38,386.98

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Solution

The fourth proportional to 50,838.30, 76,290.39 and 38,386.98 is: 57,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,838.30 : 76,290.39 = 38,386.98 : x
  2. Step 2: Convert to fraction form
    50,838.30/76,290.39 = 38,386.98/x
  3. Step 3: Cross multiply
    50,838.30x = 76,290.39 × 38,386.98
  4. Step 4: Simplify right side
    50,838.30x = 2,928,557,675.12
  5. Step 5: Solve for x
    x = 2,928,557,675.12/50,838.30
  6. Step 6: Final answer
    x = 57,605.34

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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.