Home / 52,164.32-78,211.85-18,880.02

Finding the Fourth Proportional to 52,164.32, 78,211.85 and 18,880.02

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Solution

The fourth proportional to 52,164.32, 78,211.85 and 18,880.02 is: 28,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.32 : 78,211.85 = 18,880.02 : x
  2. Step 2: Convert to fraction form
    52,164.32/78,211.85 = 18,880.02/x
  3. Step 3: Cross multiply
    52,164.32x = 78,211.85 × 18,880.02
  4. Step 4: Simplify right side
    52,164.32x = 1,476,641,197.84
  5. Step 5: Solve for x
    x = 1,476,641,197.84/52,164.32
  6. Step 6: Final answer
    x = 28,307.50

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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.