Home / 35,775.59-49,374.86-21,628.40

Finding the Fourth Proportional to 35,775.59, 49,374.86 and 21,628.40

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Solution

The fourth proportional to 35,775.59, 49,374.86 and 21,628.40 is: 29,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.59 : 49,374.86 = 21,628.40 : x
  2. Step 2: Convert to fraction form
    35,775.59/49,374.86 = 21,628.40/x
  3. Step 3: Cross multiply
    35,775.59x = 49,374.86 × 21,628.40
  4. Step 4: Simplify right side
    35,775.59x = 1,067,898,867.01
  5. Step 5: Solve for x
    x = 1,067,898,867.01/35,775.59
  6. Step 6: Final answer
    x = 29,849.93

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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.