Home / 30,020.31-41,430.56-17,444.25

Finding the Fourth Proportional to 30,020.31, 41,430.56 and 17,444.25

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Solution

The fourth proportional to 30,020.31, 41,430.56 and 17,444.25 is: 24,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.31 : 41,430.56 = 17,444.25 : x
  2. Step 2: Convert to fraction form
    30,020.31/41,430.56 = 17,444.25/x
  3. Step 3: Cross multiply
    30,020.31x = 41,430.56 × 17,444.25
  4. Step 4: Simplify right side
    30,020.31x = 722,724,959.06
  5. Step 5: Solve for x
    x = 722,724,959.06/30,020.31
  6. Step 6: Final answer
    x = 24,074.53

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Half scale
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Double scale
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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.