Home / 36,990.83-55,491.77-13,615.49

Finding the Fourth Proportional to 36,990.83, 55,491.77 and 13,615.49

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Solution

The fourth proportional to 36,990.83, 55,491.77 and 13,615.49 is: 20,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.83 : 55,491.77 = 13,615.49 : x
  2. Step 2: Convert to fraction form
    36,990.83/55,491.77 = 13,615.49/x
  3. Step 3: Cross multiply
    36,990.83x = 55,491.77 × 13,615.49
  4. Step 4: Simplify right side
    36,990.83x = 755,547,639.52
  5. Step 5: Solve for x
    x = 755,547,639.52/36,990.83
  6. Step 6: Final answer
    x = 20,425.27

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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.