Home / 30,150.65-41,607.65-16,721.96

Finding the Fourth Proportional to 30,150.65, 41,607.65 and 16,721.96

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Solution

The fourth proportional to 30,150.65, 41,607.65 and 16,721.96 is: 23,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.65 : 41,607.65 = 16,721.96 : x
  2. Step 2: Convert to fraction form
    30,150.65/41,607.65 = 16,721.96/x
  3. Step 3: Cross multiply
    30,150.65x = 41,607.65 × 16,721.96
  4. Step 4: Simplify right side
    30,150.65x = 695,761,292.76
  5. Step 5: Solve for x
    x = 695,761,292.76/30,150.65
  6. Step 6: Final answer
    x = 23,076.16

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1.5x scale

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.