Home / 34,521.12-51,746.85-13,447.98

Finding the Fourth Proportional to 34,521.12, 51,746.85 and 13,447.98

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Solution

The fourth proportional to 34,521.12, 51,746.85 and 13,447.98 is: 20,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,521.12 : 51,746.85 = 13,447.98 : x
  2. Step 2: Convert to fraction form
    34,521.12/51,746.85 = 13,447.98/x
  3. Step 3: Cross multiply
    34,521.12x = 51,746.85 × 13,447.98
  4. Step 4: Simplify right side
    34,521.12x = 695,890,603.86
  5. Step 5: Solve for x
    x = 695,890,603.86/34,521.12
  6. Step 6: Final answer
    x = 20,158.40

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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.