Home / 36,127.63-49,859.08-20,818.94

Finding the Fourth Proportional to 36,127.63, 49,859.08 and 20,818.94

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Solution

The fourth proportional to 36,127.63, 49,859.08 and 20,818.94 is: 28,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,127.63 : 49,859.08 = 20,818.94 : x
  2. Step 2: Convert to fraction form
    36,127.63/49,859.08 = 20,818.94/x
  3. Step 3: Cross multiply
    36,127.63x = 49,859.08 × 20,818.94
  4. Step 4: Simplify right side
    36,127.63x = 1,038,012,893.63
  5. Step 5: Solve for x
    x = 1,038,012,893.63/36,127.63
  6. Step 6: Final answer
    x = 28,731.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.