Home / 30,180.64-41,648.51-16,751.50

Finding the Fourth Proportional to 30,180.64, 41,648.51 and 16,751.50

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Solution

The fourth proportional to 30,180.64, 41,648.51 and 16,751.50 is: 23,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.64 : 41,648.51 = 16,751.50 : x
  2. Step 2: Convert to fraction form
    30,180.64/41,648.51 = 16,751.50/x
  3. Step 3: Cross multiply
    30,180.64x = 41,648.51 × 16,751.50
  4. Step 4: Simplify right side
    30,180.64x = 697,674,931.51
  5. Step 5: Solve for x
    x = 697,674,931.51/30,180.64
  6. Step 6: Final answer
    x = 23,116.64

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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.