Home / 52,206.88-72,051.60-29,555.20

Finding the Fourth Proportional to 52,206.88, 72,051.60 and 29,555.20

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Solution

The fourth proportional to 52,206.88, 72,051.60 and 29,555.20 is: 40,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,206.88 : 72,051.60 = 29,555.20 : x
  2. Step 2: Convert to fraction form
    52,206.88/72,051.60 = 29,555.20/x
  3. Step 3: Cross multiply
    52,206.88x = 72,051.60 × 29,555.20
  4. Step 4: Simplify right side
    52,206.88x = 2,129,499,448.32
  5. Step 5: Solve for x
    x = 2,129,499,448.32/52,206.88
  6. Step 6: Final answer
    x = 40,789.63

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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.