Home / 37,124.79-55,692.90-12,158.81

Finding the Fourth Proportional to 37,124.79, 55,692.90 and 12,158.81

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Solution

The fourth proportional to 37,124.79, 55,692.90 and 12,158.81 is: 18,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,124.79 : 55,692.90 = 12,158.81 : x
  2. Step 2: Convert to fraction form
    37,124.79/55,692.90 = 12,158.81/x
  3. Step 3: Cross multiply
    37,124.79x = 55,692.90 × 12,158.81
  4. Step 4: Simplify right side
    37,124.79x = 677,159,633.11
  5. Step 5: Solve for x
    x = 677,159,633.11/37,124.79
  6. Step 6: Final answer
    x = 18,240.10

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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.