Home / 50,784.77-70,079.99-28,122.49

Finding the Fourth Proportional to 50,784.77, 70,079.99 and 28,122.49

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Solution

The fourth proportional to 50,784.77, 70,079.99 and 28,122.49 is: 38,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.77 : 70,079.99 = 28,122.49 : x
  2. Step 2: Convert to fraction form
    50,784.77/70,079.99 = 28,122.49/x
  3. Step 3: Cross multiply
    50,784.77x = 70,079.99 × 28,122.49
  4. Step 4: Simplify right side
    50,784.77x = 1,970,823,764.96
  5. Step 5: Solve for x
    x = 1,970,823,764.96/50,784.77
  6. Step 6: Final answer
    x = 38,807.38

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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.