Home / 53,047.31-79,571.70-13,603.41

Finding the Fourth Proportional to 53,047.31, 79,571.70 and 13,603.41

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Solution

The fourth proportional to 53,047.31, 79,571.70 and 13,603.41 is: 20,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,047.31 : 79,571.70 = 13,603.41 : x
  2. Step 2: Convert to fraction form
    53,047.31/79,571.70 = 13,603.41/x
  3. Step 3: Cross multiply
    53,047.31x = 79,571.70 × 13,603.41
  4. Step 4: Simplify right side
    53,047.31x = 1,082,446,459.50
  5. Step 5: Solve for x
    x = 1,082,446,459.50/53,047.31
  6. Step 6: Final answer
    x = 20,405.31

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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.