Home / 38,981.45-58,457.66-14,014.68

Finding the Fourth Proportional to 38,981.45, 58,457.66 and 14,014.68

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Solution

The fourth proportional to 38,981.45, 58,457.66 and 14,014.68 is: 21,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.45 : 58,457.66 = 14,014.68 : x
  2. Step 2: Convert to fraction form
    38,981.45/58,457.66 = 14,014.68/x
  3. Step 3: Cross multiply
    38,981.45x = 58,457.66 × 14,014.68
  4. Step 4: Simplify right side
    38,981.45x = 819,265,328.38
  5. Step 5: Solve for x
    x = 819,265,328.38/38,981.45
  6. Step 6: Final answer
    x = 21,016.80

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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.