Home / 51,657.18-77,485.41-14,721.18

Finding the Fourth Proportional to 51,657.18, 77,485.41 and 14,721.18

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Solution

The fourth proportional to 51,657.18, 77,485.41 and 14,721.18 is: 22,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657.18 : 77,485.41 = 14,721.18 : x
  2. Step 2: Convert to fraction form
    51,657.18/77,485.41 = 14,721.18/x
  3. Step 3: Cross multiply
    51,657.18x = 77,485.41 × 14,721.18
  4. Step 4: Simplify right side
    51,657.18x = 1,140,676,667.98
  5. Step 5: Solve for x
    x = 1,140,676,667.98/51,657.18
  6. Step 6: Final answer
    x = 22,081.67

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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.