Home / 51,345.16-70,855.52-28,684.46

Finding the Fourth Proportional to 51,345.16, 70,855.52 and 28,684.46

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Solution

The fourth proportional to 51,345.16, 70,855.52 and 28,684.46 is: 39,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.16 : 70,855.52 = 28,684.46 : x
  2. Step 2: Convert to fraction form
    51,345.16/70,855.52 = 28,684.46/x
  3. Step 3: Cross multiply
    51,345.16x = 70,855.52 × 28,684.46
  4. Step 4: Simplify right side
    51,345.16x = 2,032,452,362.94
  5. Step 5: Solve for x
    x = 2,032,452,362.94/51,345.16
  6. Step 6: Final answer
    x = 39,584.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.