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Finding the Fourth Proportional to 53,165.81, 79,673.48 and 29,483.77

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Solution

The fourth proportional to 53,165.81, 79,673.48 and 29,483.77 is: 44,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.81 : 79,673.48 = 29,483.77 : x
  2. Step 2: Convert to fraction form
    53,165.81/79,673.48 = 29,483.77/x
  3. Step 3: Cross multiply
    53,165.81x = 79,673.48 × 29,483.77
  4. Step 4: Simplify right side
    53,165.81x = 2,349,074,013.63
  5. Step 5: Solve for x
    x = 2,349,074,013.63/53,165.81
  6. Step 6: Final answer
    x = 44,183.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.