Home / 30,719.39-46,087.15-9,658.58

Finding the Fourth Proportional to 30,719.39, 46,087.15 and 9,658.58

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Solution

The fourth proportional to 30,719.39, 46,087.15 and 9,658.58 is: 14,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.39 : 46,087.15 = 9,658.58 : x
  2. Step 2: Convert to fraction form
    30,719.39/46,087.15 = 9,658.58/x
  3. Step 3: Cross multiply
    30,719.39x = 46,087.15 × 9,658.58
  4. Step 4: Simplify right side
    30,719.39x = 445,136,376.95
  5. Step 5: Solve for x
    x = 445,136,376.95/30,719.39
  6. Step 6: Final answer
    x = 14,490.40

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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.