Home / 37,748.11-56,638.32-12,790.79

Finding the Fourth Proportional to 37,748.11, 56,638.32 and 12,790.79

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Solution

The fourth proportional to 37,748.11, 56,638.32 and 12,790.79 is: 19,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,748.11 : 56,638.32 = 12,790.79 : x
  2. Step 2: Convert to fraction form
    37,748.11/56,638.32 = 12,790.79/x
  3. Step 3: Cross multiply
    37,748.11x = 56,638.32 × 12,790.79
  4. Step 4: Simplify right side
    37,748.11x = 724,448,857.07
  5. Step 5: Solve for x
    x = 724,448,857.07/37,748.11
  6. Step 6: Final answer
    x = 19,191.66

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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.