Home / 30,638.73-45,962.77-15,637.66

Finding the Fourth Proportional to 30,638.73, 45,962.77 and 15,637.66

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Solution

The fourth proportional to 30,638.73, 45,962.77 and 15,637.66 is: 23,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.73 : 45,962.77 = 15,637.66 : x
  2. Step 2: Convert to fraction form
    30,638.73/45,962.77 = 15,637.66/x
  3. Step 3: Cross multiply
    30,638.73x = 45,962.77 × 15,637.66
  4. Step 4: Simplify right side
    30,638.73x = 718,750,169.92
  5. Step 5: Solve for x
    x = 718,750,169.92/30,638.73
  6. Step 6: Final answer
    x = 23,458.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.