Home / 30,440.97-45,666.00-9,379.25

Finding the Fourth Proportional to 30,440.97, 45,666.00 and 9,379.25

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Solution

The fourth proportional to 30,440.97, 45,666.00 and 9,379.25 is: 14,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.97 : 45,666.00 = 9,379.25 : x
  2. Step 2: Convert to fraction form
    30,440.97/45,666.00 = 9,379.25/x
  3. Step 3: Cross multiply
    30,440.97x = 45,666.00 × 9,379.25
  4. Step 4: Simplify right side
    30,440.97x = 428,312,928.23
  5. Step 5: Solve for x
    x = 428,312,928.23/30,440.97
  6. Step 6: Final answer
    x = 14,070.28

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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.