Home / 39,589.02-54,600.48-28,238.49

Finding the Fourth Proportional to 39,589.02, 54,600.48 and 28,238.49

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Solution

The fourth proportional to 39,589.02, 54,600.48 and 28,238.49 is: 38,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.02 : 54,600.48 = 28,238.49 : x
  2. Step 2: Convert to fraction form
    39,589.02/54,600.48 = 28,238.49/x
  3. Step 3: Cross multiply
    39,589.02x = 54,600.48 × 28,238.49
  4. Step 4: Simplify right side
    39,589.02x = 1,541,835,108.48
  5. Step 5: Solve for x
    x = 1,541,835,108.48/39,589.02
  6. Step 6: Final answer
    x = 38,946.03

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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.