Home / 56,935.17-85,410.05-21,870.27

Finding the Fourth Proportional to 56,935.17, 85,410.05 and 21,870.27

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Solution

The fourth proportional to 56,935.17, 85,410.05 and 21,870.27 is: 32,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.17 : 85,410.05 = 21,870.27 : x
  2. Step 2: Convert to fraction form
    56,935.17/85,410.05 = 21,870.27/x
  3. Step 3: Cross multiply
    56,935.17x = 85,410.05 × 21,870.27
  4. Step 4: Simplify right side
    56,935.17x = 1,867,940,744.86
  5. Step 5: Solve for x
    x = 1,867,940,744.86/56,935.17
  6. Step 6: Final answer
    x = 32,808.21

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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.