Home / 46,748.80-70,077.84-18,660.72

Finding the Fourth Proportional to 46,748.80, 70,077.84 and 18,660.72

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Solution

The fourth proportional to 46,748.80, 70,077.84 and 18,660.72 is: 27,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,748.80 : 70,077.84 = 18,660.72 : x
  2. Step 2: Convert to fraction form
    46,748.80/70,077.84 = 18,660.72/x
  3. Step 3: Cross multiply
    46,748.80x = 70,077.84 × 18,660.72
  4. Step 4: Simplify right side
    46,748.80x = 1,307,702,950.44
  5. Step 5: Solve for x
    x = 1,307,702,950.44/46,748.80
  6. Step 6: Final answer
    x = 27,972.97

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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.