Home / 38,276.13-52,822.20-21,047.60

Finding the Fourth Proportional to 38,276.13, 52,822.20 and 21,047.60

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Solution

The fourth proportional to 38,276.13, 52,822.20 and 21,047.60 is: 29,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.13 : 52,822.20 = 21,047.60 : x
  2. Step 2: Convert to fraction form
    38,276.13/52,822.20 = 21,047.60/x
  3. Step 3: Cross multiply
    38,276.13x = 52,822.20 × 21,047.60
  4. Step 4: Simplify right side
    38,276.13x = 1,111,780,536.72
  5. Step 5: Solve for x
    x = 1,111,780,536.72/38,276.13
  6. Step 6: Final answer
    x = 29,046.32

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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.