Home / 53,099.40-79,651.98-13,656.84

Finding the Fourth Proportional to 53,099.40, 79,651.98 and 13,656.84

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Solution

The fourth proportional to 53,099.40, 79,651.98 and 13,656.84 is: 20,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.40 : 79,651.98 = 13,656.84 : x
  2. Step 2: Convert to fraction form
    53,099.40/79,651.98 = 13,656.84/x
  3. Step 3: Cross multiply
    53,099.40x = 79,651.98 × 13,656.84
  4. Step 4: Simplify right side
    53,099.40x = 1,087,794,346.54
  5. Step 5: Solve for x
    x = 1,087,794,346.54/53,099.40
  6. Step 6: Final answer
    x = 20,486.00

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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.