Home / 53,014.23-73,159.79-30,353.56

Finding the Fourth Proportional to 53,014.23, 73,159.79 and 30,353.56

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Solution

The fourth proportional to 53,014.23, 73,159.79 and 30,353.56 is: 41,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.23 : 73,159.79 = 30,353.56 : x
  2. Step 2: Convert to fraction form
    53,014.23/73,159.79 = 30,353.56/x
  3. Step 3: Cross multiply
    53,014.23x = 73,159.79 × 30,353.56
  4. Step 4: Simplify right side
    53,014.23x = 2,220,659,740.69
  5. Step 5: Solve for x
    x = 2,220,659,740.69/53,014.23
  6. Step 6: Final answer
    x = 41,887.99

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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.