Home / 30,784.72-42,480.36-17,359.27

Finding the Fourth Proportional to 30,784.72, 42,480.36 and 17,359.27

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Solution

The fourth proportional to 30,784.72, 42,480.36 and 17,359.27 is: 23,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.72 : 42,480.36 = 17,359.27 : x
  2. Step 2: Convert to fraction form
    30,784.72/42,480.36 = 17,359.27/x
  3. Step 3: Cross multiply
    30,784.72x = 42,480.36 × 17,359.27
  4. Step 4: Simplify right side
    30,784.72x = 737,428,038.94
  5. Step 5: Solve for x
    x = 737,428,038.94/30,784.72
  6. Step 6: Final answer
    x = 23,954.35

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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.