Home / 32,702.91-45,128.64-18,556.53

Finding the Fourth Proportional to 32,702.91, 45,128.64 and 18,556.53

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Solution

The fourth proportional to 32,702.91, 45,128.64 and 18,556.53 is: 25,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,702.91 : 45,128.64 = 18,556.53 : x
  2. Step 2: Convert to fraction form
    32,702.91/45,128.64 = 18,556.53/x
  3. Step 3: Cross multiply
    32,702.91x = 45,128.64 × 18,556.53
  4. Step 4: Simplify right side
    32,702.91x = 837,430,962.02
  5. Step 5: Solve for x
    x = 837,430,962.02/32,702.91
  6. Step 6: Final answer
    x = 25,607.23

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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.