Home / 30,248.69-41,744.16-16,820.51

Finding the Fourth Proportional to 30,248.69, 41,744.16 and 16,820.51

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Solution

The fourth proportional to 30,248.69, 41,744.16 and 16,820.51 is: 23,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.69 : 41,744.16 = 16,820.51 : x
  2. Step 2: Convert to fraction form
    30,248.69/41,744.16 = 16,820.51/x
  3. Step 3: Cross multiply
    30,248.69x = 41,744.16 × 16,820.51
  4. Step 4: Simplify right side
    30,248.69x = 702,157,852.00
  5. Step 5: Solve for x
    x = 702,157,852.00/30,248.69
  6. Step 6: Final answer
    x = 23,212.84

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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.