Home / 30,154.60-45,231.90-22,378.60

Finding the Fourth Proportional to 30,154.60, 45,231.90 and 22,378.60

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Solution

The fourth proportional to 30,154.60, 45,231.90 and 22,378.60 is: 33,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.60 : 45,231.90 = 22,378.60 : x
  2. Step 2: Convert to fraction form
    30,154.60/45,231.90 = 22,378.60/x
  3. Step 3: Cross multiply
    30,154.60x = 45,231.90 × 22,378.60
  4. Step 4: Simplify right side
    30,154.60x = 1,012,226,597.34
  5. Step 5: Solve for x
    x = 1,012,226,597.34/30,154.60
  6. Step 6: Final answer
    x = 33,567.90

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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.