Home / 38,416.11-57,368.04-36,447.81

Finding the Fourth Proportional to 38,416.11, 57,368.04 and 36,447.81

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Solution

The fourth proportional to 38,416.11, 57,368.04 and 36,447.81 is: 54,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.11 : 57,368.04 = 36,447.81 : x
  2. Step 2: Convert to fraction form
    38,416.11/57,368.04 = 36,447.81/x
  3. Step 3: Cross multiply
    38,416.11x = 57,368.04 × 36,447.81
  4. Step 4: Simplify right side
    38,416.11x = 2,090,939,421.99
  5. Step 5: Solve for x
    x = 2,090,939,421.99/38,416.11
  6. Step 6: Final answer
    x = 54,428.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.