Home / 51,860.40-77,594.31-30,811.74

Finding the Fourth Proportional to 51,860.40, 77,594.31 and 30,811.74

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Solution

The fourth proportional to 51,860.40, 77,594.31 and 30,811.74 is: 46,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860.40 : 77,594.31 = 30,811.74 : x
  2. Step 2: Convert to fraction form
    51,860.40/77,594.31 = 30,811.74/x
  3. Step 3: Cross multiply
    51,860.40x = 77,594.31 × 30,811.74
  4. Step 4: Simplify right side
    51,860.40x = 2,390,815,705.20
  5. Step 5: Solve for x
    x = 2,390,815,705.20/51,860.40
  6. Step 6: Final answer
    x = 46,100.99

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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.