Home / 57,342-79,134.58-31,848.48

Finding the Fourth Proportional to 57,342, 79,134.58 and 31,848.48

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Solution

The fourth proportional to 57,342, 79,134.58 and 31,848.48 is: 43,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342 : 79,134.58 = 31,848.48 : x
  2. Step 2: Convert to fraction form
    57,342/79,134.58 = 31,848.48/x
  3. Step 3: Cross multiply
    57,342x = 79,134.58 × 31,848.48
  4. Step 4: Simplify right side
    57,342x = 2,520,316,088.44
  5. Step 5: Solve for x
    x = 2,520,316,088.44/57,342
  6. Step 6: Final answer
    x = 43,952.36

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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.