Home / 39,199.77-54,093.63-21,294.72

Finding the Fourth Proportional to 39,199.77, 54,093.63 and 21,294.72

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Solution

The fourth proportional to 39,199.77, 54,093.63 and 21,294.72 is: 29,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.77 : 54,093.63 = 21,294.72 : x
  2. Step 2: Convert to fraction form
    39,199.77/54,093.63 = 21,294.72/x
  3. Step 3: Cross multiply
    39,199.77x = 54,093.63 × 21,294.72
  4. Step 4: Simplify right side
    39,199.77x = 1,151,908,784.49
  5. Step 5: Solve for x
    x = 1,151,908,784.49/39,199.77
  6. Step 6: Final answer
    x = 29,385.60

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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.