Home / 57,017.67-85,530.01-21,957.36

Finding the Fourth Proportional to 57,017.67, 85,530.01 and 21,957.36

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Solution

The fourth proportional to 57,017.67, 85,530.01 and 21,957.36 is: 32,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.67 : 85,530.01 = 21,957.36 : x
  2. Step 2: Convert to fraction form
    57,017.67/85,530.01 = 21,957.36/x
  3. Step 3: Cross multiply
    57,017.67x = 85,530.01 × 21,957.36
  4. Step 4: Simplify right side
    57,017.67x = 1,878,012,792.72
  5. Step 5: Solve for x
    x = 1,878,012,792.72/57,017.67
  6. Step 6: Final answer
    x = 32,937.39

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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.