Home / 37,656.51-51,966.52-20,660.45

Finding the Fourth Proportional to 37,656.51, 51,966.52 and 20,660.45

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Solution

The fourth proportional to 37,656.51, 51,966.52 and 20,660.45 is: 28,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.51 : 51,966.52 = 20,660.45 : x
  2. Step 2: Convert to fraction form
    37,656.51/51,966.52 = 20,660.45/x
  3. Step 3: Cross multiply
    37,656.51x = 51,966.52 × 20,660.45
  4. Step 4: Simplify right side
    37,656.51x = 1,073,651,688.13
  5. Step 5: Solve for x
    x = 1,073,651,688.13/37,656.51
  6. Step 6: Final answer
    x = 28,511.72

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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.