Home / 39,454.02-54,447.84-21,550.08

Finding the Fourth Proportional to 39,454.02, 54,447.84 and 21,550.08

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Solution

The fourth proportional to 39,454.02, 54,447.84 and 21,550.08 is: 29,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.02 : 54,447.84 = 21,550.08 : x
  2. Step 2: Convert to fraction form
    39,454.02/54,447.84 = 21,550.08/x
  3. Step 3: Cross multiply
    39,454.02x = 54,447.84 × 21,550.08
  4. Step 4: Simplify right side
    39,454.02x = 1,173,355,307.83
  5. Step 5: Solve for x
    x = 1,173,355,307.83/39,454.02
  6. Step 6: Final answer
    x = 29,739.82

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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.