Home / 37,327.20-55,989.60-12,368.40

Finding the Fourth Proportional to 37,327.20, 55,989.60 and 12,368.40

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Solution

The fourth proportional to 37,327.20, 55,989.60 and 12,368.40 is: 18,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,327.20 : 55,989.60 = 12,368.40 : x
  2. Step 2: Convert to fraction form
    37,327.20/55,989.60 = 12,368.40/x
  3. Step 3: Cross multiply
    37,327.20x = 55,989.60 × 12,368.40
  4. Step 4: Simplify right side
    37,327.20x = 692,501,768.64
  5. Step 5: Solve for x
    x = 692,501,768.64/37,327.20
  6. Step 6: Final answer
    x = 18,552.20

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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.