Home / 37,628.80-56,443.20-22,038.40

Finding the Fourth Proportional to 37,628.80, 56,443.20 and 22,038.40

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Solution

The fourth proportional to 37,628.80, 56,443.20 and 22,038.40 is: 33,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628.80 : 56,443.20 = 22,038.40 : x
  2. Step 2: Convert to fraction form
    37,628.80/56,443.20 = 22,038.40/x
  3. Step 3: Cross multiply
    37,628.80x = 56,443.20 × 22,038.40
  4. Step 4: Simplify right side
    37,628.80x = 1,243,917,818.88
  5. Step 5: Solve for x
    x = 1,243,917,818.88/37,628.80
  6. Step 6: Final answer
    x = 33,057.60

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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.