Home / 48,470.40-66,897.09-30,575.07

Finding the Fourth Proportional to 48,470.40, 66,897.09 and 30,575.07

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Solution

The fourth proportional to 48,470.40, 66,897.09 and 30,575.07 is: 42,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.40 : 66,897.09 = 30,575.07 : x
  2. Step 2: Convert to fraction form
    48,470.40/66,897.09 = 30,575.07/x
  3. Step 3: Cross multiply
    48,470.40x = 66,897.09 × 30,575.07
  4. Step 4: Simplify right side
    48,470.40x = 2,045,383,209.55
  5. Step 5: Solve for x
    x = 2,045,383,209.55/48,470.40
  6. Step 6: Final answer
    x = 42,198.60

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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.