Home / 53,869.14-74,341.19-30,902.91

Finding the Fourth Proportional to 53,869.14, 74,341.19 and 30,902.91

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Solution

The fourth proportional to 53,869.14, 74,341.19 and 30,902.91 is: 42,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.14 : 74,341.19 = 30,902.91 : x
  2. Step 2: Convert to fraction form
    53,869.14/74,341.19 = 30,902.91/x
  3. Step 3: Cross multiply
    53,869.14x = 74,341.19 × 30,902.91
  4. Step 4: Simplify right side
    53,869.14x = 2,297,359,181.12
  5. Step 5: Solve for x
    x = 2,297,359,181.12/53,869.14
  6. Step 6: Final answer
    x = 42,647.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.