Home / 39,373.80-54,334.48-21,468.52

Finding the Fourth Proportional to 39,373.80, 54,334.48 and 21,468.52

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Solution

The fourth proportional to 39,373.80, 54,334.48 and 21,468.52 is: 29,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.80 : 54,334.48 = 21,468.52 : x
  2. Step 2: Convert to fraction form
    39,373.80/54,334.48 = 21,468.52/x
  3. Step 3: Cross multiply
    39,373.80x = 54,334.48 × 21,468.52
  4. Step 4: Simplify right side
    39,373.80x = 1,166,480,870.57
  5. Step 5: Solve for x
    x = 1,166,480,870.57/39,373.80
  6. Step 6: Final answer
    x = 29,625.81

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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.