Home / 53,173.23-73,378.47-30,202.89

Finding the Fourth Proportional to 53,173.23, 73,378.47 and 30,202.89

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Solution

The fourth proportional to 53,173.23, 73,378.47 and 30,202.89 is: 41,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.23 : 73,378.47 = 30,202.89 : x
  2. Step 2: Convert to fraction form
    53,173.23/73,378.47 = 30,202.89/x
  3. Step 3: Cross multiply
    53,173.23x = 73,378.47 × 30,202.89
  4. Step 4: Simplify right side
    53,173.23x = 2,216,241,857.78
  5. Step 5: Solve for x
    x = 2,216,241,857.78/53,173.23
  6. Step 6: Final answer
    x = 41,679.65

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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.