Home / 37,415.20-56,122.80-14,040.40

Finding the Fourth Proportional to 37,415.20, 56,122.80 and 14,040.40

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Solution

The fourth proportional to 37,415.20, 56,122.80 and 14,040.40 is: 21,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.20 : 56,122.80 = 14,040.40 : x
  2. Step 2: Convert to fraction form
    37,415.20/56,122.80 = 14,040.40/x
  3. Step 3: Cross multiply
    37,415.20x = 56,122.80 × 14,040.40
  4. Step 4: Simplify right side
    37,415.20x = 787,986,561.12
  5. Step 5: Solve for x
    x = 787,986,561.12/37,415.20
  6. Step 6: Final answer
    x = 21,060.60

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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.