Home / 37,638.99-56,446.71-13,620.27

Finding the Fourth Proportional to 37,638.99, 56,446.71 and 13,620.27

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Solution

The fourth proportional to 37,638.99, 56,446.71 and 13,620.27 is: 20,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.99 : 56,446.71 = 13,620.27 : x
  2. Step 2: Convert to fraction form
    37,638.99/56,446.71 = 13,620.27/x
  3. Step 3: Cross multiply
    37,638.99x = 56,446.71 × 13,620.27
  4. Step 4: Simplify right side
    37,638.99x = 768,819,430.81
  5. Step 5: Solve for x
    x = 768,819,430.81/37,638.99
  6. Step 6: Final answer
    x = 20,426.14

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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.