Home / 42,843.03-64,277.69-19,170.51

Finding the Fourth Proportional to 42,843.03, 64,277.69 and 19,170.51

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Solution

The fourth proportional to 42,843.03, 64,277.69 and 19,170.51 is: 28,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,843.03 : 64,277.69 = 19,170.51 : x
  2. Step 2: Convert to fraction form
    42,843.03/64,277.69 = 19,170.51/x
  3. Step 3: Cross multiply
    42,843.03x = 64,277.69 × 19,170.51
  4. Step 4: Simplify right side
    42,843.03x = 1,232,235,762.03
  5. Step 5: Solve for x
    x = 1,232,235,762.03/42,843.03
  6. Step 6: Final answer
    x = 28,761.64

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1.5x scale

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.