Home / 52,697.21-79,076.93-19,440.50

Finding the Fourth Proportional to 52,697.21, 79,076.93 and 19,440.50

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Solution

The fourth proportional to 52,697.21, 79,076.93 and 19,440.50 is: 29,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.21 : 79,076.93 = 19,440.50 : x
  2. Step 2: Convert to fraction form
    52,697.21/79,076.93 = 19,440.50/x
  3. Step 3: Cross multiply
    52,697.21x = 79,076.93 × 19,440.50
  4. Step 4: Simplify right side
    52,697.21x = 1,537,294,565.08
  5. Step 5: Solve for x
    x = 1,537,294,565.08/52,697.21
  6. Step 6: Final answer
    x = 29,172.22

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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.