Home / 49,340.64-68,070.96-31,432.44

Finding the Fourth Proportional to 49,340.64, 68,070.96 and 31,432.44

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Solution

The fourth proportional to 49,340.64, 68,070.96 and 31,432.44 is: 43,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.64 : 68,070.96 = 31,432.44 : x
  2. Step 2: Convert to fraction form
    49,340.64/68,070.96 = 31,432.44/x
  3. Step 3: Cross multiply
    49,340.64x = 68,070.96 × 31,432.44
  4. Step 4: Simplify right side
    49,340.64x = 2,139,636,365.94
  5. Step 5: Solve for x
    x = 2,139,636,365.94/49,340.64
  6. Step 6: Final answer
    x = 43,364.58

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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.