Home / 59,015.36-81,449.88-38,869.04

Finding the Fourth Proportional to 59,015.36, 81,449.88 and 38,869.04

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Solution

The fourth proportional to 59,015.36, 81,449.88 and 38,869.04 is: 53,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,015.36 : 81,449.88 = 38,869.04 : x
  2. Step 2: Convert to fraction form
    59,015.36/81,449.88 = 38,869.04/x
  3. Step 3: Cross multiply
    59,015.36x = 81,449.88 × 38,869.04
  4. Step 4: Simplify right side
    59,015.36x = 3,165,878,643.72
  5. Step 5: Solve for x
    x = 3,165,878,643.72/59,015.36
  6. Step 6: Final answer
    x = 53,644.99

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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.