Home / 37,403.76-51,617.16-21,489.20

Finding the Fourth Proportional to 37,403.76, 51,617.16 and 21,489.20

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Solution

The fourth proportional to 37,403.76, 51,617.16 and 21,489.20 is: 29,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,403.76 : 51,617.16 = 21,489.20 : x
  2. Step 2: Convert to fraction form
    37,403.76/51,617.16 = 21,489.20/x
  3. Step 3: Cross multiply
    37,403.76x = 51,617.16 × 21,489.20
  4. Step 4: Simplify right side
    37,403.76x = 1,109,211,474.67
  5. Step 5: Solve for x
    x = 1,109,211,474.67/37,403.76
  6. Step 6: Final answer
    x = 29,655.08

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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.