Home / 39,981.04-60,007.84-21,276.83

Finding the Fourth Proportional to 39,981.04, 60,007.84 and 21,276.83

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Solution

The fourth proportional to 39,981.04, 60,007.84 and 21,276.83 is: 31,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.04 : 60,007.84 = 21,276.83 : x
  2. Step 2: Convert to fraction form
    39,981.04/60,007.84 = 21,276.83/x
  3. Step 3: Cross multiply
    39,981.04x = 60,007.84 × 21,276.83
  4. Step 4: Simplify right side
    39,981.04x = 1,276,776,369.63
  5. Step 5: Solve for x
    x = 1,276,776,369.63/39,981.04
  6. Step 6: Final answer
    x = 31,934.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.