Home / 49,826.40-74,702.40-30,100.80

Finding the Fourth Proportional to 49,826.40, 74,702.40 and 30,100.80

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Solution

The fourth proportional to 49,826.40, 74,702.40 and 30,100.80 is: 45,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,826.40 : 74,702.40 = 30,100.80 : x
  2. Step 2: Convert to fraction form
    49,826.40/74,702.40 = 30,100.80/x
  3. Step 3: Cross multiply
    49,826.40x = 74,702.40 × 30,100.80
  4. Step 4: Simplify right side
    49,826.40x = 2,248,602,001.92
  5. Step 5: Solve for x
    x = 2,248,602,001.92/49,826.40
  6. Step 6: Final answer
    x = 45,128.73

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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.