Home / 53,109.86-73,283.01-30,444.68

Finding the Fourth Proportional to 53,109.86, 73,283.01 and 30,444.68

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Solution

The fourth proportional to 53,109.86, 73,283.01 and 30,444.68 is: 42,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.86 : 73,283.01 = 30,444.68 : x
  2. Step 2: Convert to fraction form
    53,109.86/73,283.01 = 30,444.68/x
  3. Step 3: Cross multiply
    53,109.86x = 73,283.01 × 30,444.68
  4. Step 4: Simplify right side
    53,109.86x = 2,231,077,422.47
  5. Step 5: Solve for x
    x = 2,231,077,422.47/53,109.86
  6. Step 6: Final answer
    x = 42,008.73

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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.