Home / 52,739.37-72,777.53-28,861.43

Finding the Fourth Proportional to 52,739.37, 72,777.53 and 28,861.43

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Solution

The fourth proportional to 52,739.37, 72,777.53 and 28,861.43 is: 39,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.37 : 72,777.53 = 28,861.43 : x
  2. Step 2: Convert to fraction form
    52,739.37/72,777.53 = 28,861.43/x
  3. Step 3: Cross multiply
    52,739.37x = 72,777.53 × 28,861.43
  4. Step 4: Simplify right side
    52,739.37x = 2,100,463,079.47
  5. Step 5: Solve for x
    x = 2,100,463,079.47/52,739.37
  6. Step 6: Final answer
    x = 39,827.23

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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.