Home / 47,443.02-65,418.39-38,802.30

Finding the Fourth Proportional to 47,443.02, 65,418.39 and 38,802.30

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Solution

The fourth proportional to 47,443.02, 65,418.39 and 38,802.30 is: 53,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,443.02 : 65,418.39 = 38,802.30 : x
  2. Step 2: Convert to fraction form
    47,443.02/65,418.39 = 38,802.30/x
  3. Step 3: Cross multiply
    47,443.02x = 65,418.39 × 38,802.30
  4. Step 4: Simplify right side
    47,443.02x = 2,538,383,994.30
  5. Step 5: Solve for x
    x = 2,538,383,994.30/47,443.02
  6. Step 6: Final answer
    x = 53,503.85

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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.