Home / 52,323.21-78,484.14-12,880.67

Finding the Fourth Proportional to 52,323.21, 78,484.14 and 12,880.67

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Solution

The fourth proportional to 52,323.21, 78,484.14 and 12,880.67 is: 19,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,323.21 : 78,484.14 = 12,880.67 : x
  2. Step 2: Convert to fraction form
    52,323.21/78,484.14 = 12,880.67/x
  3. Step 3: Cross multiply
    52,323.21x = 78,484.14 × 12,880.67
  4. Step 4: Simplify right side
    52,323.21x = 1,010,927,915.15
  5. Step 5: Solve for x
    x = 1,010,927,915.15/52,323.21
  6. Step 6: Final answer
    x = 19,320.83

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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.