Home / 53,176.37-73,385.07-30,519.50

Finding the Fourth Proportional to 53,176.37, 73,385.07 and 30,519.50

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Solution

The fourth proportional to 53,176.37, 73,385.07 and 30,519.50 is: 42,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.37 : 73,385.07 = 30,519.50 : x
  2. Step 2: Convert to fraction form
    53,176.37/73,385.07 = 30,519.50/x
  3. Step 3: Cross multiply
    53,176.37x = 73,385.07 × 30,519.50
  4. Step 4: Simplify right side
    53,176.37x = 2,239,675,643.87
  5. Step 5: Solve for x
    x = 2,239,675,643.87/53,176.37
  6. Step 6: Final answer
    x = 42,117.87

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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.