Home / 51,980.13-77,808.87-28,228.77

Finding the Fourth Proportional to 51,980.13, 77,808.87 and 28,228.77

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Solution

The fourth proportional to 51,980.13, 77,808.87 and 28,228.77 is: 42,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.13 : 77,808.87 = 28,228.77 : x
  2. Step 2: Convert to fraction form
    51,980.13/77,808.87 = 28,228.77/x
  3. Step 3: Cross multiply
    51,980.13x = 77,808.87 × 28,228.77
  4. Step 4: Simplify right side
    51,980.13x = 2,196,448,695.19
  5. Step 5: Solve for x
    x = 2,196,448,695.19/51,980.13
  6. Step 6: Final answer
    x = 42,255.54

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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.