Home / 52,957.28-79,435.88-13,514.40

Finding the Fourth Proportional to 52,957.28, 79,435.88 and 13,514.40

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Solution

The fourth proportional to 52,957.28, 79,435.88 and 13,514.40 is: 20,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,957.28 : 79,435.88 = 13,514.40 : x
  2. Step 2: Convert to fraction form
    52,957.28/79,435.88 = 13,514.40/x
  3. Step 3: Cross multiply
    52,957.28x = 79,435.88 × 13,514.40
  4. Step 4: Simplify right side
    52,957.28x = 1,073,528,189.10
  5. Step 5: Solve for x
    x = 1,073,528,189.10/52,957.28
  6. Step 6: Final answer
    x = 20,271.59

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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.