Home / 43,162.06-64,721.01-19,768.45

Finding the Fourth Proportional to 43,162.06, 64,721.01 and 19,768.45

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Solution

The fourth proportional to 43,162.06, 64,721.01 and 19,768.45 is: 29,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.06 : 64,721.01 = 19,768.45 : x
  2. Step 2: Convert to fraction form
    43,162.06/64,721.01 = 19,768.45/x
  3. Step 3: Cross multiply
    43,162.06x = 64,721.01 × 19,768.45
  4. Step 4: Simplify right side
    43,162.06x = 1,279,434,050.13
  5. Step 5: Solve for x
    x = 1,279,434,050.13/43,162.06
  6. Step 6: Final answer
    x = 29,642.56

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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.