Home / 50,869.02-70,198.52-28,208.06

Finding the Fourth Proportional to 50,869.02, 70,198.52 and 28,208.06

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Solution

The fourth proportional to 50,869.02, 70,198.52 and 28,208.06 is: 38,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869.02 : 70,198.52 = 28,208.06 : x
  2. Step 2: Convert to fraction form
    50,869.02/70,198.52 = 28,208.06/x
  3. Step 3: Cross multiply
    50,869.02x = 70,198.52 × 28,208.06
  4. Step 4: Simplify right side
    50,869.02x = 1,980,164,064.07
  5. Step 5: Solve for x
    x = 1,980,164,064.07/50,869.02
  6. Step 6: Final answer
    x = 38,926.72

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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.