Home / 36,038.16-49,730.56-20,123.62

Finding the Fourth Proportional to 36,038.16, 49,730.56 and 20,123.62

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Solution

The fourth proportional to 36,038.16, 49,730.56 and 20,123.62 is: 27,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.16 : 49,730.56 = 20,123.62 : x
  2. Step 2: Convert to fraction form
    36,038.16/49,730.56 = 20,123.62/x
  3. Step 3: Cross multiply
    36,038.16x = 49,730.56 × 20,123.62
  4. Step 4: Simplify right side
    36,038.16x = 1,000,758,891.83
  5. Step 5: Solve for x
    x = 1,000,758,891.83/36,038.16
  6. Step 6: Final answer
    x = 27,769.42

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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.