Home / 37,790.40-52,154.16-20,798.04

Finding the Fourth Proportional to 37,790.40, 52,154.16 and 20,798.04

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Solution

The fourth proportional to 37,790.40, 52,154.16 and 20,798.04 is: 28,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,790.40 : 52,154.16 = 20,798.04 : x
  2. Step 2: Convert to fraction form
    37,790.40/52,154.16 = 20,798.04/x
  3. Step 3: Cross multiply
    37,790.40x = 52,154.16 × 20,798.04
  4. Step 4: Simplify right side
    37,790.40x = 1,084,704,305.85
  5. Step 5: Solve for x
    x = 1,084,704,305.85/37,790.40
  6. Step 6: Final answer
    x = 28,703.17

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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.