Home / 38,005.83-57,017.16-13,045.32

Finding the Fourth Proportional to 38,005.83, 57,017.16 and 13,045.32

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Solution

The fourth proportional to 38,005.83, 57,017.16 and 13,045.32 is: 19,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.83 : 57,017.16 = 13,045.32 : x
  2. Step 2: Convert to fraction form
    38,005.83/57,017.16 = 13,045.32/x
  3. Step 3: Cross multiply
    38,005.83x = 57,017.16 × 13,045.32
  4. Step 4: Simplify right side
    38,005.83x = 743,807,097.69
  5. Step 5: Solve for x
    x = 743,807,097.69/38,005.83
  6. Step 6: Final answer
    x = 19,570.87

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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.