Home / 37,319.28-51,501.96-21,185.76

Finding the Fourth Proportional to 37,319.28, 51,501.96 and 21,185.76

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Solution

The fourth proportional to 37,319.28, 51,501.96 and 21,185.76 is: 29,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,319.28 : 51,501.96 = 21,185.76 : x
  2. Step 2: Convert to fraction form
    37,319.28/51,501.96 = 21,185.76/x
  3. Step 3: Cross multiply
    37,319.28x = 51,501.96 × 21,185.76
  4. Step 4: Simplify right side
    37,319.28x = 1,091,108,164.09
  5. Step 5: Solve for x
    x = 1,091,108,164.09/37,319.28
  6. Step 6: Final answer
    x = 29,237.12

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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.