Home / 51,949.08-77,866.11-42,630.03

Finding the Fourth Proportional to 51,949.08, 77,866.11 and 42,630.03

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Solution

The fourth proportional to 51,949.08, 77,866.11 and 42,630.03 is: 63,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949.08 : 77,866.11 = 42,630.03 : x
  2. Step 2: Convert to fraction form
    51,949.08/77,866.11 = 42,630.03/x
  3. Step 3: Cross multiply
    51,949.08x = 77,866.11 × 42,630.03
  4. Step 4: Simplify right side
    51,949.08x = 3,319,434,605.28
  5. Step 5: Solve for x
    x = 3,319,434,605.28/51,949.08
  6. Step 6: Final answer
    x = 63,897.85

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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.