Home / 42,747.82-64,121.73-11,582.26

Finding the Fourth Proportional to 42,747.82, 64,121.73 and 11,582.26

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Solution

The fourth proportional to 42,747.82, 64,121.73 and 11,582.26 is: 17,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,747.82 : 64,121.73 = 11,582.26 : x
  2. Step 2: Convert to fraction form
    42,747.82/64,121.73 = 11,582.26/x
  3. Step 3: Cross multiply
    42,747.82x = 64,121.73 × 11,582.26
  4. Step 4: Simplify right side
    42,747.82x = 742,674,548.51
  5. Step 5: Solve for x
    x = 742,674,548.51/42,747.82
  6. Step 6: Final answer
    x = 17,373.39

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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.