Home / 30,388.65-41,938.43-16,962.52

Finding the Fourth Proportional to 30,388.65, 41,938.43 and 16,962.52

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Solution

The fourth proportional to 30,388.65, 41,938.43 and 16,962.52 is: 23,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.65 : 41,938.43 = 16,962.52 : x
  2. Step 2: Convert to fraction form
    30,388.65/41,938.43 = 16,962.52/x
  3. Step 3: Cross multiply
    30,388.65x = 41,938.43 × 16,962.52
  4. Step 4: Simplify right side
    30,388.65x = 711,381,457.64
  5. Step 5: Solve for x
    x = 711,381,457.64/30,388.65
  6. Step 6: Final answer
    x = 23,409.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.