Home / 39,590.02-54,601.86-28,239.49

Finding the Fourth Proportional to 39,590.02, 54,601.86 and 28,239.49

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Solution

The fourth proportional to 39,590.02, 54,601.86 and 28,239.49 is: 38,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.02 : 54,601.86 = 28,239.49 : x
  2. Step 2: Convert to fraction form
    39,590.02/54,601.86 = 28,239.49/x
  3. Step 3: Cross multiply
    39,590.02x = 54,601.86 × 28,239.49
  4. Step 4: Simplify right side
    39,590.02x = 1,541,928,679.45
  5. Step 5: Solve for x
    x = 1,541,928,679.45/39,590.02
  6. Step 6: Final answer
    x = 38,947.41

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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.