Home / 30,353.03-45,535.67-12,822.83

Finding the Fourth Proportional to 30,353.03, 45,535.67 and 12,822.83

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Solution

The fourth proportional to 30,353.03, 45,535.67 and 12,822.83 is: 19,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.03 : 45,535.67 = 12,822.83 : x
  2. Step 2: Convert to fraction form
    30,353.03/45,535.67 = 12,822.83/x
  3. Step 3: Cross multiply
    30,353.03x = 45,535.67 × 12,822.83
  4. Step 4: Simplify right side
    30,353.03x = 583,896,155.35
  5. Step 5: Solve for x
    x = 583,896,155.35/30,353.03
  6. Step 6: Final answer
    x = 19,236.83

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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.