Home / 39,252.98-54,168.59-21,347.60

Finding the Fourth Proportional to 39,252.98, 54,168.59 and 21,347.60

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Solution

The fourth proportional to 39,252.98, 54,168.59 and 21,347.60 is: 29,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.98 : 54,168.59 = 21,347.60 : x
  2. Step 2: Convert to fraction form
    39,252.98/54,168.59 = 21,347.60/x
  3. Step 3: Cross multiply
    39,252.98x = 54,168.59 × 21,347.60
  4. Step 4: Simplify right side
    39,252.98x = 1,156,369,580.67
  5. Step 5: Solve for x
    x = 1,156,369,580.67/39,252.98
  6. Step 6: Final answer
    x = 29,459.41

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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.