Home / 30,623.77-45,848.03-20,745.52

Finding the Fourth Proportional to 30,623.77, 45,848.03 and 20,745.52

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Solution

The fourth proportional to 30,623.77, 45,848.03 and 20,745.52 is: 31,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.77 : 45,848.03 = 20,745.52 : x
  2. Step 2: Convert to fraction form
    30,623.77/45,848.03 = 20,745.52/x
  3. Step 3: Cross multiply
    30,623.77x = 45,848.03 × 20,745.52
  4. Step 4: Simplify right side
    30,623.77x = 951,141,004.98
  5. Step 5: Solve for x
    x = 951,141,004.98/30,623.77
  6. Step 6: Final answer
    x = 31,058.91

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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.