Home / 53,509.48-73,842.33-30,848.51

Finding the Fourth Proportional to 53,509.48, 73,842.33 and 30,848.51

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Solution

The fourth proportional to 53,509.48, 73,842.33 and 30,848.51 is: 42,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,509.48 : 73,842.33 = 30,848.51 : x
  2. Step 2: Convert to fraction form
    53,509.48/73,842.33 = 30,848.51/x
  3. Step 3: Cross multiply
    53,509.48x = 73,842.33 × 30,848.51
  4. Step 4: Simplify right side
    53,509.48x = 2,277,926,155.72
  5. Step 5: Solve for x
    x = 2,277,926,155.72/53,509.48
  6. Step 6: Final answer
    x = 42,570.52

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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.