Home / 34,702.26-47,888.70-20,555.34

Finding the Fourth Proportional to 34,702.26, 47,888.70 and 20,555.34

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Solution

The fourth proportional to 34,702.26, 47,888.70 and 20,555.34 is: 28,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.26 : 47,888.70 = 20,555.34 : x
  2. Step 2: Convert to fraction form
    34,702.26/47,888.70 = 20,555.34/x
  3. Step 3: Cross multiply
    34,702.26x = 47,888.70 × 20,555.34
  4. Step 4: Simplify right side
    34,702.26x = 984,368,510.66
  5. Step 5: Solve for x
    x = 984,368,510.66/34,702.26
  6. Step 6: Final answer
    x = 28,366.12

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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.