Home / 30,470.28-45,689.01-16,437.84

Finding the Fourth Proportional to 30,470.28, 45,689.01 and 16,437.84

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Solution

The fourth proportional to 30,470.28, 45,689.01 and 16,437.84 is: 24,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.28 : 45,689.01 = 16,437.84 : x
  2. Step 2: Convert to fraction form
    30,470.28/45,689.01 = 16,437.84/x
  3. Step 3: Cross multiply
    30,470.28x = 45,689.01 × 16,437.84
  4. Step 4: Simplify right side
    30,470.28x = 751,028,636.14
  5. Step 5: Solve for x
    x = 751,028,636.14/30,470.28
  6. Step 6: Final answer
    x = 24,647.91

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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.