Home / 57,637.64-86,466.70-19,684.84

Finding the Fourth Proportional to 57,637.64, 86,466.70 and 19,684.84

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Solution

The fourth proportional to 57,637.64, 86,466.70 and 19,684.84 is: 29,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637.64 : 86,466.70 = 19,684.84 : x
  2. Step 2: Convert to fraction form
    57,637.64/86,466.70 = 19,684.84/x
  3. Step 3: Cross multiply
    57,637.64x = 86,466.70 × 19,684.84
  4. Step 4: Simplify right side
    57,637.64x = 1,702,083,154.83
  5. Step 5: Solve for x
    x = 1,702,083,154.83/57,637.64
  6. Step 6: Final answer
    x = 29,530.76

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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.