Home / 38,950.63-58,433.81-12,300.79

Finding the Fourth Proportional to 38,950.63, 58,433.81 and 12,300.79

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Solution

The fourth proportional to 38,950.63, 58,433.81 and 12,300.79 is: 18,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,950.63 : 58,433.81 = 12,300.79 : x
  2. Step 2: Convert to fraction form
    38,950.63/58,433.81 = 12,300.79/x
  3. Step 3: Cross multiply
    38,950.63x = 58,433.81 × 12,300.79
  4. Step 4: Simplify right side
    38,950.63x = 718,781,672.04
  5. Step 5: Solve for x
    x = 718,781,672.04/38,950.63
  6. Step 6: Final answer
    x = 18,453.66

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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.