Home / 38,803.96-58,206.54-12,508.84

Finding the Fourth Proportional to 38,803.96, 58,206.54 and 12,508.84

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Solution

The fourth proportional to 38,803.96, 58,206.54 and 12,508.84 is: 18,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.96 : 58,206.54 = 12,508.84 : x
  2. Step 2: Convert to fraction form
    38,803.96/58,206.54 = 12,508.84/x
  3. Step 3: Cross multiply
    38,803.96x = 58,206.54 × 12,508.84
  4. Step 4: Simplify right side
    38,803.96x = 728,096,295.81
  5. Step 5: Solve for x
    x = 728,096,295.81/38,803.96
  6. Step 6: Final answer
    x = 18,763.45

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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.