Home / 45,808.74-63,238.14-28,821.24

Finding the Fourth Proportional to 45,808.74, 63,238.14 and 28,821.24

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Solution

The fourth proportional to 45,808.74, 63,238.14 and 28,821.24 is: 39,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,808.74 : 63,238.14 = 28,821.24 : x
  2. Step 2: Convert to fraction form
    45,808.74/63,238.14 = 28,821.24/x
  3. Step 3: Cross multiply
    45,808.74x = 63,238.14 × 28,821.24
  4. Step 4: Simplify right side
    45,808.74x = 1,822,601,610.09
  5. Step 5: Solve for x
    x = 1,822,601,610.09/45,808.74
  6. Step 6: Final answer
    x = 39,787.20

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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.