Home / 38,951.37-58,432.67-12,288.30

Finding the Fourth Proportional to 38,951.37, 58,432.67 and 12,288.30

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Solution

The fourth proportional to 38,951.37, 58,432.67 and 12,288.30 is: 18,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.37 : 58,432.67 = 12,288.30 : x
  2. Step 2: Convert to fraction form
    38,951.37/58,432.67 = 12,288.30/x
  3. Step 3: Cross multiply
    38,951.37x = 58,432.67 × 12,288.30
  4. Step 4: Simplify right side
    38,951.37x = 718,038,117.32
  5. Step 5: Solve for x
    x = 718,038,117.32/38,951.37
  6. Step 6: Final answer
    x = 18,434.22

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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.