Home / 34,534.12-47,657.64-19,429.96

Finding the Fourth Proportional to 34,534.12, 47,657.64 and 19,429.96

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Solution

The fourth proportional to 34,534.12, 47,657.64 and 19,429.96 is: 26,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,534.12 : 47,657.64 = 19,429.96 : x
  2. Step 2: Convert to fraction form
    34,534.12/47,657.64 = 19,429.96/x
  3. Step 3: Cross multiply
    34,534.12x = 47,657.64 × 19,429.96
  4. Step 4: Simplify right side
    34,534.12x = 925,986,038.89
  5. Step 5: Solve for x
    x = 925,986,038.89/34,534.12
  6. Step 6: Final answer
    x = 26,813.66

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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.