Home / 37,671.20-56,470.80-13,972.40

Finding the Fourth Proportional to 37,671.20, 56,470.80 and 13,972.40

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Solution

The fourth proportional to 37,671.20, 56,470.80 and 13,972.40 is: 20,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,671.20 : 56,470.80 = 13,972.40 : x
  2. Step 2: Convert to fraction form
    37,671.20/56,470.80 = 13,972.40/x
  3. Step 3: Cross multiply
    37,671.20x = 56,470.80 × 13,972.40
  4. Step 4: Simplify right side
    37,671.20x = 789,032,605.92
  5. Step 5: Solve for x
    x = 789,032,605.92/37,671.20
  6. Step 6: Final answer
    x = 20,945.25

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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.