Home / 34,702.75-47,889.80-19,798.75

Finding the Fourth Proportional to 34,702.75, 47,889.80 and 19,798.75

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Solution

The fourth proportional to 34,702.75, 47,889.80 and 19,798.75 is: 27,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.75 : 47,889.80 = 19,798.75 : x
  2. Step 2: Convert to fraction form
    34,702.75/47,889.80 = 19,798.75/x
  3. Step 3: Cross multiply
    34,702.75x = 47,889.80 × 19,798.75
  4. Step 4: Simplify right side
    34,702.75x = 948,158,177.75
  5. Step 5: Solve for x
    x = 948,158,177.75/34,702.75
  6. Step 6: Final answer
    x = 27,322.28

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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.