Home / 52,187.40-78,287.13-16,636.20

Finding the Fourth Proportional to 52,187.40, 78,287.13 and 16,636.20

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Solution

The fourth proportional to 52,187.40, 78,287.13 and 16,636.20 is: 24,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.40 : 78,287.13 = 16,636.20 : x
  2. Step 2: Convert to fraction form
    52,187.40/78,287.13 = 16,636.20/x
  3. Step 3: Cross multiply
    52,187.40x = 78,287.13 × 16,636.20
  4. Step 4: Simplify right side
    52,187.40x = 1,302,400,352.11
  5. Step 5: Solve for x
    x = 1,302,400,352.11/52,187.40
  6. Step 6: Final answer
    x = 24,956.22

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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.