Home / 51,329.74-76,994.61-19,314.83

Finding the Fourth Proportional to 51,329.74, 76,994.61 and 19,314.83

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Solution

The fourth proportional to 51,329.74, 76,994.61 and 19,314.83 is: 28,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.74 : 76,994.61 = 19,314.83 : x
  2. Step 2: Convert to fraction form
    51,329.74/76,994.61 = 19,314.83/x
  3. Step 3: Cross multiply
    51,329.74x = 76,994.61 × 19,314.83
  4. Step 4: Simplify right side
    51,329.74x = 1,487,137,803.07
  5. Step 5: Solve for x
    x = 1,487,137,803.07/51,329.74
  6. Step 6: Final answer
    x = 28,972.25

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1.5x scale

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.