Home / 57,308.64-79,086.78-34,643.58

Finding the Fourth Proportional to 57,308.64, 79,086.78 and 34,643.58

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Solution

The fourth proportional to 57,308.64, 79,086.78 and 34,643.58 is: 47,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308.64 : 79,086.78 = 34,643.58 : x
  2. Step 2: Convert to fraction form
    57,308.64/79,086.78 = 34,643.58/x
  3. Step 3: Cross multiply
    57,308.64x = 79,086.78 × 34,643.58
  4. Step 4: Simplify right side
    57,308.64x = 2,739,849,189.87
  5. Step 5: Solve for x
    x = 2,739,849,189.87/57,308.64
  6. Step 6: Final answer
    x = 47,808.66

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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.