Home / 51,186.52-70,636.32-28,525.40

Finding the Fourth Proportional to 51,186.52, 70,636.32 and 28,525.40

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Solution

The fourth proportional to 51,186.52, 70,636.32 and 28,525.40 is: 39,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.52 : 70,636.32 = 28,525.40 : x
  2. Step 2: Convert to fraction form
    51,186.52/70,636.32 = 28,525.40/x
  3. Step 3: Cross multiply
    51,186.52x = 70,636.32 × 28,525.40
  4. Step 4: Simplify right side
    51,186.52x = 2,014,929,282.53
  5. Step 5: Solve for x
    x = 2,014,929,282.53/51,186.52
  6. Step 6: Final answer
    x = 39,364.45

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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.