Home / 30,230.80-45,353.40-14,635.60

Finding the Fourth Proportional to 30,230.80, 45,353.40 and 14,635.60

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Solution

The fourth proportional to 30,230.80, 45,353.40 and 14,635.60 is: 21,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.80 : 45,353.40 = 14,635.60 : x
  2. Step 2: Convert to fraction form
    30,230.80/45,353.40 = 14,635.60/x
  3. Step 3: Cross multiply
    30,230.80x = 45,353.40 × 14,635.60
  4. Step 4: Simplify right side
    30,230.80x = 663,774,221.04
  5. Step 5: Solve for x
    x = 663,774,221.04/30,230.80
  6. Step 6: Final answer
    x = 21,956.89

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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.