Home / 39,373.89-54,333.95-21,468.93

Finding the Fourth Proportional to 39,373.89, 54,333.95 and 21,468.93

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Solution

The fourth proportional to 39,373.89, 54,333.95 and 21,468.93 is: 29,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.89 : 54,333.95 = 21,468.93 : x
  2. Step 2: Convert to fraction form
    39,373.89/54,333.95 = 21,468.93/x
  3. Step 3: Cross multiply
    39,373.89x = 54,333.95 × 21,468.93
  4. Step 4: Simplify right side
    39,373.89x = 1,166,491,661.83
  5. Step 5: Solve for x
    x = 1,166,491,661.83/39,373.89
  6. Step 6: Final answer
    x = 29,626.02

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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.