Home / 20,536.02-30,655.47-18,044.90

Finding the Fourth Proportional to 20,536.02, 30,655.47 and 18,044.90

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Solution

The fourth proportional to 20,536.02, 30,655.47 and 18,044.90 is: 26,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.02 : 30,655.47 = 18,044.90 : x
  2. Step 2: Convert to fraction form
    20,536.02/30,655.47 = 18,044.90/x
  3. Step 3: Cross multiply
    20,536.02x = 30,655.47 × 18,044.90
  4. Step 4: Simplify right side
    20,536.02x = 553,174,890.60
  5. Step 5: Solve for x
    x = 553,174,890.60/20,536.02
  6. Step 6: Final answer
    x = 26,936.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.