Home / 57,731.88-79,681.89-33,871.08

Finding the Fourth Proportional to 57,731.88, 79,681.89 and 33,871.08

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Solution

The fourth proportional to 57,731.88, 79,681.89 and 33,871.08 is: 46,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.88 : 79,681.89 = 33,871.08 : x
  2. Step 2: Convert to fraction form
    57,731.88/79,681.89 = 33,871.08/x
  3. Step 3: Cross multiply
    57,731.88x = 79,681.89 × 33,871.08
  4. Step 4: Simplify right side
    57,731.88x = 2,698,911,670.74
  5. Step 5: Solve for x
    x = 2,698,911,670.74/57,731.88
  6. Step 6: Final answer
    x = 46,749.07

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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.