Home / 49,973.68-68,971.62-28,748.80

Finding the Fourth Proportional to 49,973.68, 68,971.62 and 28,748.80

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Solution

The fourth proportional to 49,973.68, 68,971.62 and 28,748.80 is: 39,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,973.68 : 68,971.62 = 28,748.80 : x
  2. Step 2: Convert to fraction form
    49,973.68/68,971.62 = 28,748.80/x
  3. Step 3: Cross multiply
    49,973.68x = 68,971.62 × 28,748.80
  4. Step 4: Simplify right side
    49,973.68x = 1,982,851,309.06
  5. Step 5: Solve for x
    x = 1,982,851,309.06/49,973.68
  6. Step 6: Final answer
    x = 39,677.91

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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.