Home / 53,129.93-73,316.47-30,467.82

Finding the Fourth Proportional to 53,129.93, 73,316.47 and 30,467.82

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Solution

The fourth proportional to 53,129.93, 73,316.47 and 30,467.82 is: 42,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.93 : 73,316.47 = 30,467.82 : x
  2. Step 2: Convert to fraction form
    53,129.93/73,316.47 = 30,467.82/x
  3. Step 3: Cross multiply
    53,129.93x = 73,316.47 × 30,467.82
  4. Step 4: Simplify right side
    53,129.93x = 2,233,793,011.00
  5. Step 5: Solve for x
    x = 2,233,793,011.00/53,129.93
  6. Step 6: Final answer
    x = 42,043.97

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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.