Home / 30,240-41,621.04-26,631.27

Finding the Fourth Proportional to 30,240, 41,621.04 and 26,631.27

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Solution

The fourth proportional to 30,240, 41,621.04 and 26,631.27 is: 36,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240 : 41,621.04 = 26,631.27 : x
  2. Step 2: Convert to fraction form
    30,240/41,621.04 = 26,631.27/x
  3. Step 3: Cross multiply
    30,240x = 41,621.04 × 26,631.27
  4. Step 4: Simplify right side
    30,240x = 1,108,421,153.92
  5. Step 5: Solve for x
    x = 1,108,421,153.92/30,240
  6. Step 6: Final answer
    x = 36,654.14

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1.5x scale

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.