Home / 51,718.08-77,590.96-28,020.05

Finding the Fourth Proportional to 51,718.08, 77,590.96 and 28,020.05

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Solution

The fourth proportional to 51,718.08, 77,590.96 and 28,020.05 is: 42,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.08 : 77,590.96 = 28,020.05 : x
  2. Step 2: Convert to fraction form
    51,718.08/77,590.96 = 28,020.05/x
  3. Step 3: Cross multiply
    51,718.08x = 77,590.96 × 28,020.05
  4. Step 4: Simplify right side
    51,718.08x = 2,174,102,190.79
  5. Step 5: Solve for x
    x = 2,174,102,190.79/51,718.08
  6. Step 6: Final answer
    x = 42,037.57

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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.