Home / 38,017.36-52,459.38-21,019.31

Finding the Fourth Proportional to 38,017.36, 52,459.38 and 21,019.31

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Solution

The fourth proportional to 38,017.36, 52,459.38 and 21,019.31 is: 29,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.36 : 52,459.38 = 21,019.31 : x
  2. Step 2: Convert to fraction form
    38,017.36/52,459.38 = 21,019.31/x
  3. Step 3: Cross multiply
    38,017.36x = 52,459.38 × 21,019.31
  4. Step 4: Simplify right side
    38,017.36x = 1,102,659,905.05
  5. Step 5: Solve for x
    x = 1,102,659,905.05/38,017.36
  6. Step 6: Final answer
    x = 29,004.11

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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.