Home / 39,345.21-59,017.73-12,329.62

Finding the Fourth Proportional to 39,345.21, 59,017.73 and 12,329.62

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Solution

The fourth proportional to 39,345.21, 59,017.73 and 12,329.62 is: 18,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.21 : 59,017.73 = 12,329.62 : x
  2. Step 2: Convert to fraction form
    39,345.21/59,017.73 = 12,329.62/x
  3. Step 3: Cross multiply
    39,345.21x = 59,017.73 × 12,329.62
  4. Step 4: Simplify right side
    39,345.21x = 727,666,067.44
  5. Step 5: Solve for x
    x = 727,666,067.44/39,345.21
  6. Step 6: Final answer
    x = 18,494.40

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1.5x scale

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.