Home / 52,475.58-78,692.49-19,188.06

Finding the Fourth Proportional to 52,475.58, 78,692.49 and 19,188.06

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Solution

The fourth proportional to 52,475.58, 78,692.49 and 19,188.06 is: 28,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475.58 : 78,692.49 = 19,188.06 : x
  2. Step 2: Convert to fraction form
    52,475.58/78,692.49 = 19,188.06/x
  3. Step 3: Cross multiply
    52,475.58x = 78,692.49 × 19,188.06
  4. Step 4: Simplify right side
    52,475.58x = 1,509,956,219.67
  5. Step 5: Solve for x
    x = 1,509,956,219.67/52,475.58
  6. Step 6: Final answer
    x = 28,774.46

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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.