Home / 49,043.16-67,679.64-28,637.28

Finding the Fourth Proportional to 49,043.16, 67,679.64 and 28,637.28

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Solution

The fourth proportional to 49,043.16, 67,679.64 and 28,637.28 is: 39,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,043.16 : 67,679.64 = 28,637.28 : x
  2. Step 2: Convert to fraction form
    49,043.16/67,679.64 = 28,637.28/x
  3. Step 3: Cross multiply
    49,043.16x = 67,679.64 × 28,637.28
  4. Step 4: Simplify right side
    49,043.16x = 1,938,160,800.98
  5. Step 5: Solve for x
    x = 1,938,160,800.98/49,043.16
  6. Step 6: Final answer
    x = 39,519.49

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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.