Home / 53,714.40-74,127.20-29,840.80

Finding the Fourth Proportional to 53,714.40, 74,127.20 and 29,840.80

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Solution

The fourth proportional to 53,714.40, 74,127.20 and 29,840.80 is: 41,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,714.40 : 74,127.20 = 29,840.80 : x
  2. Step 2: Convert to fraction form
    53,714.40/74,127.20 = 29,840.80/x
  3. Step 3: Cross multiply
    53,714.40x = 74,127.20 × 29,840.80
  4. Step 4: Simplify right side
    53,714.40x = 2,212,014,949.76
  5. Step 5: Solve for x
    x = 2,212,014,949.76/53,714.40
  6. Step 6: Final answer
    x = 41,181.04

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1.5x scale

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.