Home / 38,752.89-58,134.80-12,448.81

Finding the Fourth Proportional to 38,752.89, 58,134.80 and 12,448.81

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Solution

The fourth proportional to 38,752.89, 58,134.80 and 12,448.81 is: 18,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,752.89 : 58,134.80 = 12,448.81 : x
  2. Step 2: Convert to fraction form
    38,752.89/58,134.80 = 12,448.81/x
  3. Step 3: Cross multiply
    38,752.89x = 58,134.80 × 12,448.81
  4. Step 4: Simplify right side
    38,752.89x = 723,709,079.59
  5. Step 5: Solve for x
    x = 723,709,079.59/38,752.89
  6. Step 6: Final answer
    x = 18,674.97

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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.