Home / 38,983.94-58,479.55-12,681.62

Finding the Fourth Proportional to 38,983.94, 58,479.55 and 12,681.62

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Solution

The fourth proportional to 38,983.94, 58,479.55 and 12,681.62 is: 19,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.94 : 58,479.55 = 12,681.62 : x
  2. Step 2: Convert to fraction form
    38,983.94/58,479.55 = 12,681.62/x
  3. Step 3: Cross multiply
    38,983.94x = 58,479.55 × 12,681.62
  4. Step 4: Simplify right side
    38,983.94x = 741,615,430.87
  5. Step 5: Solve for x
    x = 741,615,430.87/38,983.94
  6. Step 6: Final answer
    x = 19,023.61

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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.