Home / 57,364.90-79,141.44-42,293.38

Finding the Fourth Proportional to 57,364.90, 79,141.44 and 42,293.38

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Solution

The fourth proportional to 57,364.90, 79,141.44 and 42,293.38 is: 58,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.90 : 79,141.44 = 42,293.38 : x
  2. Step 2: Convert to fraction form
    57,364.90/79,141.44 = 42,293.38/x
  3. Step 3: Cross multiply
    57,364.90x = 79,141.44 × 42,293.38
  4. Step 4: Simplify right side
    57,364.90x = 3,347,158,995.67
  5. Step 5: Solve for x
    x = 3,347,158,995.67/57,364.90
  6. Step 6: Final answer
    x = 58,348.55

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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.