Home / 29,357.28-44,042.64-12,720.08

Finding the Fourth Proportional to 29,357.28, 44,042.64 and 12,720.08

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Solution

The fourth proportional to 29,357.28, 44,042.64 and 12,720.08 is: 19,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.28 : 44,042.64 = 12,720.08 : x
  2. Step 2: Convert to fraction form
    29,357.28/44,042.64 = 12,720.08/x
  3. Step 3: Cross multiply
    29,357.28x = 44,042.64 × 12,720.08
  4. Step 4: Simplify right side
    29,357.28x = 560,225,966.62
  5. Step 5: Solve for x
    x = 560,225,966.62/29,357.28
  6. Step 6: Final answer
    x = 19,083.03

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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.