Home / 30,013.56-45,004.91-17,557.92

Finding the Fourth Proportional to 30,013.56, 45,004.91 and 17,557.92

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Solution

The fourth proportional to 30,013.56, 45,004.91 and 17,557.92 is: 26,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.56 : 45,004.91 = 17,557.92 : x
  2. Step 2: Convert to fraction form
    30,013.56/45,004.91 = 17,557.92/x
  3. Step 3: Cross multiply
    30,013.56x = 45,004.91 × 17,557.92
  4. Step 4: Simplify right side
    30,013.56x = 790,192,521.60
  5. Step 5: Solve for x
    x = 790,192,521.60/30,013.56
  6. Step 6: Final answer
    x = 26,327.85

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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.