Home / 42,844.03-64,279.19-19,171.51

Finding the Fourth Proportional to 42,844.03, 64,279.19 and 19,171.51

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Solution

The fourth proportional to 42,844.03, 64,279.19 and 19,171.51 is: 28,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,844.03 : 64,279.19 = 19,171.51 : x
  2. Step 2: Convert to fraction form
    42,844.03/64,279.19 = 19,171.51/x
  3. Step 3: Cross multiply
    42,844.03x = 64,279.19 × 19,171.51
  4. Step 4: Simplify right side
    42,844.03x = 1,232,329,133.88
  5. Step 5: Solve for x
    x = 1,232,329,133.88/42,844.03
  6. Step 6: Final answer
    x = 28,763.15

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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.