Home / 53,518.12-73,848.64-30,864.52

Finding the Fourth Proportional to 53,518.12, 73,848.64 and 30,864.52

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Solution

The fourth proportional to 53,518.12, 73,848.64 and 30,864.52 is: 42,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.12 : 73,848.64 = 30,864.52 : x
  2. Step 2: Convert to fraction form
    53,518.12/73,848.64 = 30,864.52/x
  3. Step 3: Cross multiply
    53,518.12x = 73,848.64 × 30,864.52
  4. Step 4: Simplify right side
    53,518.12x = 2,279,302,826.25
  5. Step 5: Solve for x
    x = 2,279,302,826.25/53,518.12
  6. Step 6: Final answer
    x = 42,589.37

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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.