Home / 39,373.18-54,333.80-21,468.53

Finding the Fourth Proportional to 39,373.18, 54,333.80 and 21,468.53

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Solution

The fourth proportional to 39,373.18, 54,333.80 and 21,468.53 is: 29,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.18 : 54,333.80 = 21,468.53 : x
  2. Step 2: Convert to fraction form
    39,373.18/54,333.80 = 21,468.53/x
  3. Step 3: Cross multiply
    39,373.18x = 54,333.80 × 21,468.53
  4. Step 4: Simplify right side
    39,373.18x = 1,166,466,815.31
  5. Step 5: Solve for x
    x = 1,166,466,815.31/39,373.18
  6. Step 6: Final answer
    x = 29,625.92

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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.