Home / 37,932.80-56,931.60-16,905.20

Finding the Fourth Proportional to 37,932.80, 56,931.60 and 16,905.20

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Solution

The fourth proportional to 37,932.80, 56,931.60 and 16,905.20 is: 25,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,932.80 : 56,931.60 = 16,905.20 : x
  2. Step 2: Convert to fraction form
    37,932.80/56,931.60 = 16,905.20/x
  3. Step 3: Cross multiply
    37,932.80x = 56,931.60 × 16,905.20
  4. Step 4: Simplify right side
    37,932.80x = 962,440,084.32
  5. Step 5: Solve for x
    x = 962,440,084.32/37,932.80
  6. Step 6: Final answer
    x = 25,372.24

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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.