Home / 52,383.03-72,286.20-28,509.63

Finding the Fourth Proportional to 52,383.03, 72,286.20 and 28,509.63

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Solution

The fourth proportional to 52,383.03, 72,286.20 and 28,509.63 is: 39,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,383.03 : 72,286.20 = 28,509.63 : x
  2. Step 2: Convert to fraction form
    52,383.03/72,286.20 = 28,509.63/x
  3. Step 3: Cross multiply
    52,383.03x = 72,286.20 × 28,509.63
  4. Step 4: Simplify right side
    52,383.03x = 2,060,852,816.11
  5. Step 5: Solve for x
    x = 2,060,852,816.11/52,383.03
  6. Step 6: Final answer
    x = 39,341.99

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Double scale
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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.