Home / 38,218.01-52,741.40-21,223.31

Finding the Fourth Proportional to 38,218.01, 52,741.40 and 21,223.31

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Solution

The fourth proportional to 38,218.01, 52,741.40 and 21,223.31 is: 29,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.01 : 52,741.40 = 21,223.31 : x
  2. Step 2: Convert to fraction form
    38,218.01/52,741.40 = 21,223.31/x
  3. Step 3: Cross multiply
    38,218.01x = 52,741.40 × 21,223.31
  4. Step 4: Simplify right side
    38,218.01x = 1,119,347,003.24
  5. Step 5: Solve for x
    x = 1,119,347,003.24/38,218.01
  6. Step 6: Final answer
    x = 29,288.47

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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.