Home / 30,784.62-42,482.97-16,637.43

Finding the Fourth Proportional to 30,784.62, 42,482.97 and 16,637.43

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Solution

The fourth proportional to 30,784.62, 42,482.97 and 16,637.43 is: 22,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.62 : 42,482.97 = 16,637.43 : x
  2. Step 2: Convert to fraction form
    30,784.62/42,482.97 = 16,637.43/x
  3. Step 3: Cross multiply
    30,784.62x = 42,482.97 × 16,637.43
  4. Step 4: Simplify right side
    30,784.62x = 706,807,439.57
  5. Step 5: Solve for x
    x = 706,807,439.57/30,784.62
  6. Step 6: Final answer
    x = 22,959.76

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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.