Home / 53,105.54-73,277.06-30,440.36

Finding the Fourth Proportional to 53,105.54, 73,277.06 and 30,440.36

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Solution

The fourth proportional to 53,105.54, 73,277.06 and 30,440.36 is: 42,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.54 : 73,277.06 = 30,440.36 : x
  2. Step 2: Convert to fraction form
    53,105.54/73,277.06 = 30,440.36/x
  3. Step 3: Cross multiply
    53,105.54x = 73,277.06 × 30,440.36
  4. Step 4: Simplify right side
    53,105.54x = 2,230,579,795.86
  5. Step 5: Solve for x
    x = 2,230,579,795.86/53,105.54
  6. Step 6: Final answer
    x = 42,002.77

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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.