Home / 49,821.64-68,751.12-28,599.52

Finding the Fourth Proportional to 49,821.64, 68,751.12 and 28,599.52

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Solution

The fourth proportional to 49,821.64, 68,751.12 and 28,599.52 is: 39,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.64 : 68,751.12 = 28,599.52 : x
  2. Step 2: Convert to fraction form
    49,821.64/68,751.12 = 28,599.52/x
  3. Step 3: Cross multiply
    49,821.64x = 68,751.12 × 28,599.52
  4. Step 4: Simplify right side
    49,821.64x = 1,966,249,031.46
  5. Step 5: Solve for x
    x = 1,966,249,031.46/49,821.64
  6. Step 6: Final answer
    x = 39,465.76

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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.