Home / 32,646.16-48,988.60-11,871.28

Finding the Fourth Proportional to 32,646.16, 48,988.60 and 11,871.28

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Solution

The fourth proportional to 32,646.16, 48,988.60 and 11,871.28 is: 17,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,646.16 : 48,988.60 = 11,871.28 : x
  2. Step 2: Convert to fraction form
    32,646.16/48,988.60 = 11,871.28/x
  3. Step 3: Cross multiply
    32,646.16x = 48,988.60 × 11,871.28
  4. Step 4: Simplify right side
    32,646.16x = 581,557,387.41
  5. Step 5: Solve for x
    x = 581,557,387.41/32,646.16
  6. Step 6: Final answer
    x = 17,813.96

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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.