Home / 30,947.76-46,376.28-19,225.44

Finding the Fourth Proportional to 30,947.76, 46,376.28 and 19,225.44

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Solution

The fourth proportional to 30,947.76, 46,376.28 and 19,225.44 is: 28,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.76 : 46,376.28 = 19,225.44 : x
  2. Step 2: Convert to fraction form
    30,947.76/46,376.28 = 19,225.44/x
  3. Step 3: Cross multiply
    30,947.76x = 46,376.28 × 19,225.44
  4. Step 4: Simplify right side
    30,947.76x = 891,604,388.56
  5. Step 5: Solve for x
    x = 891,604,388.56/30,947.76
  6. Step 6: Final answer
    x = 28,809.98

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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.