Home / 30,154.32-45,170.96-14,374.62

Finding the Fourth Proportional to 30,154.32, 45,170.96 and 14,374.62

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Solution

The fourth proportional to 30,154.32, 45,170.96 and 14,374.62 is: 21,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.32 : 45,170.96 = 14,374.62 : x
  2. Step 2: Convert to fraction form
    30,154.32/45,170.96 = 14,374.62/x
  3. Step 3: Cross multiply
    30,154.32x = 45,170.96 × 14,374.62
  4. Step 4: Simplify right side
    30,154.32x = 649,315,385.04
  5. Step 5: Solve for x
    x = 649,315,385.04/30,154.32
  6. Step 6: Final answer
    x = 21,533.08

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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.