Home / 38,068.15-57,098.12-9,991.02

Finding the Fourth Proportional to 38,068.15, 57,098.12 and 9,991.02

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Solution

The fourth proportional to 38,068.15, 57,098.12 and 9,991.02 is: 14,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.15 : 57,098.12 = 9,991.02 : x
  2. Step 2: Convert to fraction form
    38,068.15/57,098.12 = 9,991.02/x
  3. Step 3: Cross multiply
    38,068.15x = 57,098.12 × 9,991.02
  4. Step 4: Simplify right side
    38,068.15x = 570,468,458.88
  5. Step 5: Solve for x
    x = 570,468,458.88/38,068.15
  6. Step 6: Final answer
    x = 14,985.45

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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.