Home / 37,038.60-55,563.30-12,079.80

Finding the Fourth Proportional to 37,038.60, 55,563.30 and 12,079.80

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Solution

The fourth proportional to 37,038.60, 55,563.30 and 12,079.80 is: 18,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.60 : 55,563.30 = 12,079.80 : x
  2. Step 2: Convert to fraction form
    37,038.60/55,563.30 = 12,079.80/x
  3. Step 3: Cross multiply
    37,038.60x = 55,563.30 × 12,079.80
  4. Step 4: Simplify right side
    37,038.60x = 671,193,551.34
  5. Step 5: Solve for x
    x = 671,193,551.34/37,038.60
  6. Step 6: Final answer
    x = 18,121.46

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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.