Home / 53,577.47-73,933.29-30,917.40

Finding the Fourth Proportional to 53,577.47, 73,933.29 and 30,917.40

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Solution

The fourth proportional to 53,577.47, 73,933.29 and 30,917.40 is: 42,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,577.47 : 73,933.29 = 30,917.40 : x
  2. Step 2: Convert to fraction form
    53,577.47/73,933.29 = 30,917.40/x
  3. Step 3: Cross multiply
    53,577.47x = 73,933.29 × 30,917.40
  4. Step 4: Simplify right side
    53,577.47x = 2,285,825,100.25
  5. Step 5: Solve for x
    x = 2,285,825,100.25/53,577.47
  6. Step 6: Final answer
    x = 42,663.93

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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.