Home / 30,653.64-42,300.36-17,227.08

Finding the Fourth Proportional to 30,653.64, 42,300.36 and 17,227.08

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Solution

The fourth proportional to 30,653.64, 42,300.36 and 17,227.08 is: 23,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.64 : 42,300.36 = 17,227.08 : x
  2. Step 2: Convert to fraction form
    30,653.64/42,300.36 = 17,227.08/x
  3. Step 3: Cross multiply
    30,653.64x = 42,300.36 × 17,227.08
  4. Step 4: Simplify right side
    30,653.64x = 728,711,685.75
  5. Step 5: Solve for x
    x = 728,711,685.75/30,653.64
  6. Step 6: Final answer
    x = 23,772.44

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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.