Home / 39,975.76-59,952.30-11,894.68

Finding the Fourth Proportional to 39,975.76, 59,952.30 and 11,894.68

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Solution

The fourth proportional to 39,975.76, 59,952.30 and 11,894.68 is: 17,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.76 : 59,952.30 = 11,894.68 : x
  2. Step 2: Convert to fraction form
    39,975.76/59,952.30 = 11,894.68/x
  3. Step 3: Cross multiply
    39,975.76x = 59,952.30 × 11,894.68
  4. Step 4: Simplify right side
    39,975.76x = 713,113,423.76
  5. Step 5: Solve for x
    x = 713,113,423.76/39,975.76
  6. Step 6: Final answer
    x = 17,838.65

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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.