Home / 51,928.20-77,892.30-16,871.40

Finding the Fourth Proportional to 51,928.20, 77,892.30 and 16,871.40

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Solution

The fourth proportional to 51,928.20, 77,892.30 and 16,871.40 is: 25,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.20 : 77,892.30 = 16,871.40 : x
  2. Step 2: Convert to fraction form
    51,928.20/77,892.30 = 16,871.40/x
  3. Step 3: Cross multiply
    51,928.20x = 77,892.30 × 16,871.40
  4. Step 4: Simplify right side
    51,928.20x = 1,314,152,150.22
  5. Step 5: Solve for x
    x = 1,314,152,150.22/51,928.20
  6. Step 6: Final answer
    x = 25,307.10

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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.