Home / 36,038.98-49,733.28-20,123.68

Finding the Fourth Proportional to 36,038.98, 49,733.28 and 20,123.68

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Solution

The fourth proportional to 36,038.98, 49,733.28 and 20,123.68 is: 27,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.98 : 49,733.28 = 20,123.68 : x
  2. Step 2: Convert to fraction form
    36,038.98/49,733.28 = 20,123.68/x
  3. Step 3: Cross multiply
    36,038.98x = 49,733.28 × 20,123.68
  4. Step 4: Simplify right side
    36,038.98x = 1,000,816,612.07
  5. Step 5: Solve for x
    x = 1,000,816,612.07/36,038.98
  6. Step 6: Final answer
    x = 27,770.39

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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.