Home / 37,036.20-55,562.40-12,077.40

Finding the Fourth Proportional to 37,036.20, 55,562.40 and 12,077.40

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Solution

The fourth proportional to 37,036.20, 55,562.40 and 12,077.40 is: 18,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,036.20 : 55,562.40 = 12,077.40 : x
  2. Step 2: Convert to fraction form
    37,036.20/55,562.40 = 12,077.40/x
  3. Step 3: Cross multiply
    37,036.20x = 55,562.40 × 12,077.40
  4. Step 4: Simplify right side
    37,036.20x = 671,049,329.76
  5. Step 5: Solve for x
    x = 671,049,329.76/37,036.20
  6. Step 6: Final answer
    x = 18,118.74

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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.