Home / 57,214.32-78,963.93-31,726.35

Finding the Fourth Proportional to 57,214.32, 78,963.93 and 31,726.35

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Solution

The fourth proportional to 57,214.32, 78,963.93 and 31,726.35 is: 43,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.32 : 78,963.93 = 31,726.35 : x
  2. Step 2: Convert to fraction form
    57,214.32/78,963.93 = 31,726.35/x
  3. Step 3: Cross multiply
    57,214.32x = 78,963.93 × 31,726.35
  4. Step 4: Simplify right side
    57,214.32x = 2,505,237,280.56
  5. Step 5: Solve for x
    x = 2,505,237,280.56/57,214.32
  6. Step 6: Final answer
    x = 43,786.89

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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.