Home / 53,130.53-73,321.30-29,258.52

Finding the Fourth Proportional to 53,130.53, 73,321.30 and 29,258.52

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Solution

The fourth proportional to 53,130.53, 73,321.30 and 29,258.52 is: 40,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.53 : 73,321.30 = 29,258.52 : x
  2. Step 2: Convert to fraction form
    53,130.53/73,321.30 = 29,258.52/x
  3. Step 3: Cross multiply
    53,130.53x = 73,321.30 × 29,258.52
  4. Step 4: Simplify right side
    53,130.53x = 2,145,272,484.09
  5. Step 5: Solve for x
    x = 2,145,272,484.09/53,130.53
  6. Step 6: Final answer
    x = 40,377.39

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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.