Home / 34,454.49-47,551.40-19,347.78

Finding the Fourth Proportional to 34,454.49, 47,551.40 and 19,347.78

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Solution

The fourth proportional to 34,454.49, 47,551.40 and 19,347.78 is: 26,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454.49 : 47,551.40 = 19,347.78 : x
  2. Step 2: Convert to fraction form
    34,454.49/47,551.40 = 19,347.78/x
  3. Step 3: Cross multiply
    34,454.49x = 47,551.40 × 19,347.78
  4. Step 4: Simplify right side
    34,454.49x = 920,014,025.89
  5. Step 5: Solve for x
    x = 920,014,025.89/34,454.49
  6. Step 6: Final answer
    x = 26,702.30

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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.