Home / 52,621.04-72,613.22-28,742.64

Finding the Fourth Proportional to 52,621.04, 72,613.22 and 28,742.64

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Solution

The fourth proportional to 52,621.04, 72,613.22 and 28,742.64 is: 39,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,621.04 : 72,613.22 = 28,742.64 : x
  2. Step 2: Convert to fraction form
    52,621.04/72,613.22 = 28,742.64/x
  3. Step 3: Cross multiply
    52,621.04x = 72,613.22 × 28,742.64
  4. Step 4: Simplify right side
    52,621.04x = 2,087,095,497.99
  5. Step 5: Solve for x
    x = 2,087,095,497.99/52,621.04
  6. Step 6: Final answer
    x = 39,662.76

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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.