Home / 53,097.21-73,262.39-30,728.25

Finding the Fourth Proportional to 53,097.21, 73,262.39 and 30,728.25

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Solution

The fourth proportional to 53,097.21, 73,262.39 and 30,728.25 is: 42,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,097.21 : 73,262.39 = 30,728.25 : x
  2. Step 2: Convert to fraction form
    53,097.21/73,262.39 = 30,728.25/x
  3. Step 3: Cross multiply
    53,097.21x = 73,262.39 × 30,728.25
  4. Step 4: Simplify right side
    53,097.21x = 2,251,224,881.88
  5. Step 5: Solve for x
    x = 2,251,224,881.88/53,097.21
  6. Step 6: Final answer
    x = 42,398.18

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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.