Home / 38,652.49-53,339.93-21,656.44

Finding the Fourth Proportional to 38,652.49, 53,339.93 and 21,656.44

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Solution

The fourth proportional to 38,652.49, 53,339.93 and 21,656.44 is: 29,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.49 : 53,339.93 = 21,656.44 : x
  2. Step 2: Convert to fraction form
    38,652.49/53,339.93 = 21,656.44/x
  3. Step 3: Cross multiply
    38,652.49x = 53,339.93 × 21,656.44
  4. Step 4: Simplify right side
    38,652.49x = 1,155,152,726.95
  5. Step 5: Solve for x
    x = 1,155,152,726.95/38,652.49
  6. Step 6: Final answer
    x = 29,885.60

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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.