Home / 46,749.80-70,079.34-18,661.72

Finding the Fourth Proportional to 46,749.80, 70,079.34 and 18,661.72

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Solution

The fourth proportional to 46,749.80, 70,079.34 and 18,661.72 is: 27,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,749.80 : 70,079.34 = 18,661.72 : x
  2. Step 2: Convert to fraction form
    46,749.80/70,079.34 = 18,661.72/x
  3. Step 3: Cross multiply
    46,749.80x = 70,079.34 × 18,661.72
  4. Step 4: Simplify right side
    46,749.80x = 1,307,801,020.86
  5. Step 5: Solve for x
    x = 1,307,801,020.86/46,749.80
  6. Step 6: Final answer
    x = 27,974.47

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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.