Home / 34,595.13-47,745.86-19,490.78

Finding the Fourth Proportional to 34,595.13, 47,745.86 and 19,490.78

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Solution

The fourth proportional to 34,595.13, 47,745.86 and 19,490.78 is: 26,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,595.13 : 47,745.86 = 19,490.78 : x
  2. Step 2: Convert to fraction form
    34,595.13/47,745.86 = 19,490.78/x
  3. Step 3: Cross multiply
    34,595.13x = 47,745.86 × 19,490.78
  4. Step 4: Simplify right side
    34,595.13x = 930,603,806.51
  5. Step 5: Solve for x
    x = 930,603,806.51/34,595.13
  6. Step 6: Final answer
    x = 26,899.85

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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.