Home / 39,708.42-59,447.52-30,916.68

Finding the Fourth Proportional to 39,708.42, 59,447.52 and 30,916.68

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Solution

The fourth proportional to 39,708.42, 59,447.52 and 30,916.68 is: 46,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.42 : 59,447.52 = 30,916.68 : x
  2. Step 2: Convert to fraction form
    39,708.42/59,447.52 = 30,916.68/x
  3. Step 3: Cross multiply
    39,708.42x = 59,447.52 × 30,916.68
  4. Step 4: Simplify right side
    39,708.42x = 1,837,919,952.63
  5. Step 5: Solve for x
    x = 1,837,919,952.63/39,708.42
  6. Step 6: Final answer
    x = 46,285.40

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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.