Home / 37,321.06-51,507.93-21,402.40

Finding the Fourth Proportional to 37,321.06, 51,507.93 and 21,402.40

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Solution

The fourth proportional to 37,321.06, 51,507.93 and 21,402.40 is: 29,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321.06 : 51,507.93 = 21,402.40 : x
  2. Step 2: Convert to fraction form
    37,321.06/51,507.93 = 21,402.40/x
  3. Step 3: Cross multiply
    37,321.06x = 51,507.93 × 21,402.40
  4. Step 4: Simplify right side
    37,321.06x = 1,102,393,321.03
  5. Step 5: Solve for x
    x = 1,102,393,321.03/37,321.06
  6. Step 6: Final answer
    x = 29,538.10

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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.