Home / 35,133.20-52,700.48-12,935.16

Finding the Fourth Proportional to 35,133.20, 52,700.48 and 12,935.16

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Solution

The fourth proportional to 35,133.20, 52,700.48 and 12,935.16 is: 19,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,133.20 : 52,700.48 = 12,935.16 : x
  2. Step 2: Convert to fraction form
    35,133.20/52,700.48 = 12,935.16/x
  3. Step 3: Cross multiply
    35,133.20x = 52,700.48 × 12,935.16
  4. Step 4: Simplify right side
    35,133.20x = 681,689,140.88
  5. Step 5: Solve for x
    x = 681,689,140.88/35,133.20
  6. Step 6: Final answer
    x = 19,402.99

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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.