Home / 53,032.31-79,548-13,588.85

Finding the Fourth Proportional to 53,032.31, 79,548 and 13,588.85

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Solution

The fourth proportional to 53,032.31, 79,548 and 13,588.85 is: 20,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,032.31 : 79,548 = 13,588.85 : x
  2. Step 2: Convert to fraction form
    53,032.31/79,548 = 13,588.85/x
  3. Step 3: Cross multiply
    53,032.31x = 79,548 × 13,588.85
  4. Step 4: Simplify right side
    53,032.31x = 1,080,965,442.06
  5. Step 5: Solve for x
    x = 1,080,965,442.06/53,032.31
  6. Step 6: Final answer
    x = 20,383.15

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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.