Home / 39,249.12-58,875.72-12,955.92

Finding the Fourth Proportional to 39,249.12, 58,875.72 and 12,955.92

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Solution

The fourth proportional to 39,249.12, 58,875.72 and 12,955.92 is: 19,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.12 : 58,875.72 = 12,955.92 : x
  2. Step 2: Convert to fraction form
    39,249.12/58,875.72 = 12,955.92/x
  3. Step 3: Cross multiply
    39,249.12x = 58,875.72 × 12,955.92
  4. Step 4: Simplify right side
    39,249.12x = 762,789,118.26
  5. Step 5: Solve for x
    x = 762,789,118.26/39,249.12
  6. Step 6: Final answer
    x = 19,434.55

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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.