Home / 30,689.34-46,039.95-11,968.62

Finding the Fourth Proportional to 30,689.34, 46,039.95 and 11,968.62

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Solution

The fourth proportional to 30,689.34, 46,039.95 and 11,968.62 is: 17,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689.34 : 46,039.95 = 11,968.62 : x
  2. Step 2: Convert to fraction form
    30,689.34/46,039.95 = 11,968.62/x
  3. Step 3: Cross multiply
    30,689.34x = 46,039.95 × 11,968.62
  4. Step 4: Simplify right side
    30,689.34x = 551,034,666.37
  5. Step 5: Solve for x
    x = 551,034,666.37/30,689.34
  6. Step 6: Final answer
    x = 17,955.25

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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.