Home / 30,769.32-46,147.90-14,124.84

Finding the Fourth Proportional to 30,769.32, 46,147.90 and 14,124.84

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Solution

The fourth proportional to 30,769.32, 46,147.90 and 14,124.84 is: 21,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.32 : 46,147.90 = 14,124.84 : x
  2. Step 2: Convert to fraction form
    30,769.32/46,147.90 = 14,124.84/x
  3. Step 3: Cross multiply
    30,769.32x = 46,147.90 × 14,124.84
  4. Step 4: Simplify right side
    30,769.32x = 651,831,703.84
  5. Step 5: Solve for x
    x = 651,831,703.84/30,769.32
  6. Step 6: Final answer
    x = 21,184.47

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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.