Home / 38,455.40-57,683.10-25,322.60

Finding the Fourth Proportional to 38,455.40, 57,683.10 and 25,322.60

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Solution

The fourth proportional to 38,455.40, 57,683.10 and 25,322.60 is: 37,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.40 : 57,683.10 = 25,322.60 : x
  2. Step 2: Convert to fraction form
    38,455.40/57,683.10 = 25,322.60/x
  3. Step 3: Cross multiply
    38,455.40x = 57,683.10 × 25,322.60
  4. Step 4: Simplify right side
    38,455.40x = 1,460,686,068.06
  5. Step 5: Solve for x
    x = 1,460,686,068.06/38,455.40
  6. Step 6: Final answer
    x = 37,983.90

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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.