Home / 52,533.36-72,485.19-30,725.46

Finding the Fourth Proportional to 52,533.36, 72,485.19 and 30,725.46

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Solution

The fourth proportional to 52,533.36, 72,485.19 and 30,725.46 is: 42,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,533.36 : 72,485.19 = 30,725.46 : x
  2. Step 2: Convert to fraction form
    52,533.36/72,485.19 = 30,725.46/x
  3. Step 3: Cross multiply
    52,533.36x = 72,485.19 × 30,725.46
  4. Step 4: Simplify right side
    52,533.36x = 2,227,140,805.94
  5. Step 5: Solve for x
    x = 2,227,140,805.94/52,533.36
  6. Step 6: Final answer
    x = 42,394.79

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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.