Home / 34,813.40-48,042.32-18,897.72

Finding the Fourth Proportional to 34,813.40, 48,042.32 and 18,897.72

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Solution

The fourth proportional to 34,813.40, 48,042.32 and 18,897.72 is: 26,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,813.40 : 48,042.32 = 18,897.72 : x
  2. Step 2: Convert to fraction form
    34,813.40/48,042.32 = 18,897.72/x
  3. Step 3: Cross multiply
    34,813.40x = 48,042.32 × 18,897.72
  4. Step 4: Simplify right side
    34,813.40x = 907,890,311.51
  5. Step 5: Solve for x
    x = 907,890,311.51/34,813.40
  6. Step 6: Final answer
    x = 26,078.76

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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.