Home / 52,071.38-78,088.23-18,782.50

Finding the Fourth Proportional to 52,071.38, 78,088.23 and 18,782.50

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Solution

The fourth proportional to 52,071.38, 78,088.23 and 18,782.50 is: 28,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,071.38 : 78,088.23 = 18,782.50 : x
  2. Step 2: Convert to fraction form
    52,071.38/78,088.23 = 18,782.50/x
  3. Step 3: Cross multiply
    52,071.38x = 78,088.23 × 18,782.50
  4. Step 4: Simplify right side
    52,071.38x = 1,466,692,179.98
  5. Step 5: Solve for x
    x = 1,466,692,179.98/52,071.38
  6. Step 6: Final answer
    x = 28,166.95

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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.