Home / 30,750.02-46,139.60-18,294.65

Finding the Fourth Proportional to 30,750.02, 46,139.60 and 18,294.65

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Solution

The fourth proportional to 30,750.02, 46,139.60 and 18,294.65 is: 27,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.02 : 46,139.60 = 18,294.65 : x
  2. Step 2: Convert to fraction form
    30,750.02/46,139.60 = 18,294.65/x
  3. Step 3: Cross multiply
    30,750.02x = 46,139.60 × 18,294.65
  4. Step 4: Simplify right side
    30,750.02x = 844,107,833.14
  5. Step 5: Solve for x
    x = 844,107,833.14/30,750.02
  6. Step 6: Final answer
    x = 27,450.64

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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.