Home / 37,682.04-56,436.40-21,005.15

Finding the Fourth Proportional to 37,682.04, 56,436.40 and 21,005.15

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Solution

The fourth proportional to 37,682.04, 56,436.40 and 21,005.15 is: 31,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.04 : 56,436.40 = 21,005.15 : x
  2. Step 2: Convert to fraction form
    37,682.04/56,436.40 = 21,005.15/x
  3. Step 3: Cross multiply
    37,682.04x = 56,436.40 × 21,005.15
  4. Step 4: Simplify right side
    37,682.04x = 1,185,454,832.11
  5. Step 5: Solve for x
    x = 1,185,454,832.11/37,682.04
  6. Step 6: Final answer
    x = 31,459.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.