Home / 39,134.75-58,674.76-12,471.80

Finding the Fourth Proportional to 39,134.75, 58,674.76 and 12,471.80

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Solution

The fourth proportional to 39,134.75, 58,674.76 and 12,471.80 is: 18,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.75 : 58,674.76 = 12,471.80 : x
  2. Step 2: Convert to fraction form
    39,134.75/58,674.76 = 12,471.80/x
  3. Step 3: Cross multiply
    39,134.75x = 58,674.76 × 12,471.80
  4. Step 4: Simplify right side
    39,134.75x = 731,779,547.21
  5. Step 5: Solve for x
    x = 731,779,547.21/39,134.75
  6. Step 6: Final answer
    x = 18,698.97

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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.