Home / 57,134.23-85,733.75-30,838.39

Finding the Fourth Proportional to 57,134.23, 85,733.75 and 30,838.39

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Solution

The fourth proportional to 57,134.23, 85,733.75 and 30,838.39 is: 46,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,134.23 : 85,733.75 = 30,838.39 : x
  2. Step 2: Convert to fraction form
    57,134.23/85,733.75 = 30,838.39/x
  3. Step 3: Cross multiply
    57,134.23x = 85,733.75 × 30,838.39
  4. Step 4: Simplify right side
    57,134.23x = 2,643,890,818.66
  5. Step 5: Solve for x
    x = 2,643,890,818.66/57,134.23
  6. Step 6: Final answer
    x = 46,275.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.