Home / 37,456.24-51,689.58-20,689.24

Finding the Fourth Proportional to 37,456.24, 51,689.58 and 20,689.24

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Solution

The fourth proportional to 37,456.24, 51,689.58 and 20,689.24 is: 28,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,456.24 : 51,689.58 = 20,689.24 : x
  2. Step 2: Convert to fraction form
    37,456.24/51,689.58 = 20,689.24/x
  3. Step 3: Cross multiply
    37,456.24x = 51,689.58 × 20,689.24
  4. Step 4: Simplify right side
    37,456.24x = 1,069,418,126.12
  5. Step 5: Solve for x
    x = 1,069,418,126.12/37,456.24
  6. Step 6: Final answer
    x = 28,551.13

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1.5x scale

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.