Home / 35,123.24-52,712.54-15,415.40

Finding the Fourth Proportional to 35,123.24, 52,712.54 and 15,415.40

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Solution

The fourth proportional to 35,123.24, 52,712.54 and 15,415.40 is: 23,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.24 : 52,712.54 = 15,415.40 : x
  2. Step 2: Convert to fraction form
    35,123.24/52,712.54 = 15,415.40/x
  3. Step 3: Cross multiply
    35,123.24x = 52,712.54 × 15,415.40
  4. Step 4: Simplify right side
    35,123.24x = 812,584,889.12
  5. Step 5: Solve for x
    x = 812,584,889.12/35,123.24
  6. Step 6: Final answer
    x = 23,135.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.