Home / 52,699.31-79,049.06-13,256.15

Finding the Fourth Proportional to 52,699.31, 79,049.06 and 13,256.15

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Solution

The fourth proportional to 52,699.31, 79,049.06 and 13,256.15 is: 19,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,699.31 : 79,049.06 = 13,256.15 : x
  2. Step 2: Convert to fraction form
    52,699.31/79,049.06 = 13,256.15/x
  3. Step 3: Cross multiply
    52,699.31x = 79,049.06 × 13,256.15
  4. Step 4: Simplify right side
    52,699.31x = 1,047,886,130.44
  5. Step 5: Solve for x
    x = 1,047,886,130.44/52,699.31
  6. Step 6: Final answer
    x = 19,884.25

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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.