Home / 38,460.40-53,078.02-21,467.95

Finding the Fourth Proportional to 38,460.40, 53,078.02 and 21,467.95

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Solution

The fourth proportional to 38,460.40, 53,078.02 and 21,467.95 is: 29,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,460.40 : 53,078.02 = 21,467.95 : x
  2. Step 2: Convert to fraction form
    38,460.40/53,078.02 = 21,467.95/x
  3. Step 3: Cross multiply
    38,460.40x = 53,078.02 × 21,467.95
  4. Step 4: Simplify right side
    38,460.40x = 1,139,476,279.46
  5. Step 5: Solve for x
    x = 1,139,476,279.46/38,460.40
  6. Step 6: Final answer
    x = 29,627.26

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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.