Home / 51,091.90-76,634.70-19,064.74

Finding the Fourth Proportional to 51,091.90, 76,634.70 and 19,064.74

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Solution

The fourth proportional to 51,091.90, 76,634.70 and 19,064.74 is: 28,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.90 : 76,634.70 = 19,064.74 : x
  2. Step 2: Convert to fraction form
    51,091.90/76,634.70 = 19,064.74/x
  3. Step 3: Cross multiply
    51,091.90x = 76,634.70 × 19,064.74
  4. Step 4: Simplify right side
    51,091.90x = 1,461,020,438.89
  5. Step 5: Solve for x
    x = 1,461,020,438.89/51,091.90
  6. Step 6: Final answer
    x = 28,595.93

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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.