Home / 36,538.90-54,808.74-31,239.58

Finding the Fourth Proportional to 36,538.90, 54,808.74 and 31,239.58

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Solution

The fourth proportional to 36,538.90, 54,808.74 and 31,239.58 is: 46,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538.90 : 54,808.74 = 31,239.58 : x
  2. Step 2: Convert to fraction form
    36,538.90/54,808.74 = 31,239.58/x
  3. Step 3: Cross multiply
    36,538.90x = 54,808.74 × 31,239.58
  4. Step 4: Simplify right side
    36,538.90x = 1,712,202,017.93
  5. Step 5: Solve for x
    x = 1,712,202,017.93/36,538.90
  6. Step 6: Final answer
    x = 46,859.70

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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.