Home / 32,839.80-45,302.70-19,404.57

Finding the Fourth Proportional to 32,839.80, 45,302.70 and 19,404.57

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Solution

The fourth proportional to 32,839.80, 45,302.70 and 19,404.57 is: 26,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,839.80 : 45,302.70 = 19,404.57 : x
  2. Step 2: Convert to fraction form
    32,839.80/45,302.70 = 19,404.57/x
  3. Step 3: Cross multiply
    32,839.80x = 45,302.70 × 19,404.57
  4. Step 4: Simplify right side
    32,839.80x = 879,079,413.34
  5. Step 5: Solve for x
    x = 879,079,413.34/32,839.80
  6. Step 6: Final answer
    x = 26,768.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.