Home / 52,985.07-79,474.91-13,539.83

Finding the Fourth Proportional to 52,985.07, 79,474.91 and 13,539.83

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Solution

The fourth proportional to 52,985.07, 79,474.91 and 13,539.83 is: 20,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.07 : 79,474.91 = 13,539.83 : x
  2. Step 2: Convert to fraction form
    52,985.07/79,474.91 = 13,539.83/x
  3. Step 3: Cross multiply
    52,985.07x = 79,474.91 × 13,539.83
  4. Step 4: Simplify right side
    52,985.07x = 1,076,076,305.59
  5. Step 5: Solve for x
    x = 1,076,076,305.59/52,985.07
  6. Step 6: Final answer
    x = 20,309.05

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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.