Home / 51,952.05-77,927.94-12,509.10

Finding the Fourth Proportional to 51,952.05, 77,927.94 and 12,509.10

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Solution

The fourth proportional to 51,952.05, 77,927.94 and 12,509.10 is: 18,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,952.05 : 77,927.94 = 12,509.10 : x
  2. Step 2: Convert to fraction form
    51,952.05/77,927.94 = 12,509.10/x
  3. Step 3: Cross multiply
    51,952.05x = 77,927.94 × 12,509.10
  4. Step 4: Simplify right side
    51,952.05x = 974,808,394.25
  5. Step 5: Solve for x
    x = 974,808,394.25/51,952.05
  6. Step 6: Final answer
    x = 18,763.62

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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.