Home / 45,194.40-67,791.60-12,362.40

Finding the Fourth Proportional to 45,194.40, 67,791.60 and 12,362.40

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Solution

The fourth proportional to 45,194.40, 67,791.60 and 12,362.40 is: 18,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,194.40 : 67,791.60 = 12,362.40 : x
  2. Step 2: Convert to fraction form
    45,194.40/67,791.60 = 12,362.40/x
  3. Step 3: Cross multiply
    45,194.40x = 67,791.60 × 12,362.40
  4. Step 4: Simplify right side
    45,194.40x = 838,066,875.84
  5. Step 5: Solve for x
    x = 838,066,875.84/45,194.40
  6. Step 6: Final answer
    x = 18,543.60

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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.