Home / 39,238.86-58,864.05-12,950.22

Finding the Fourth Proportional to 39,238.86, 58,864.05 and 12,950.22

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Solution

The fourth proportional to 39,238.86, 58,864.05 and 12,950.22 is: 19,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.86 : 58,864.05 = 12,950.22 : x
  2. Step 2: Convert to fraction form
    39,238.86/58,864.05 = 12,950.22/x
  3. Step 3: Cross multiply
    39,238.86x = 58,864.05 × 12,950.22
  4. Step 4: Simplify right side
    39,238.86x = 762,302,397.59
  5. Step 5: Solve for x
    x = 762,302,397.59/39,238.86
  6. Step 6: Final answer
    x = 19,427.23

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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.