Home / 35,168.40-52,749.60-12,977.52

Finding the Fourth Proportional to 35,168.40, 52,749.60 and 12,977.52

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Solution

The fourth proportional to 35,168.40, 52,749.60 and 12,977.52 is: 19,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,168.40 : 52,749.60 = 12,977.52 : x
  2. Step 2: Convert to fraction form
    35,168.40/52,749.60 = 12,977.52/x
  3. Step 3: Cross multiply
    35,168.40x = 52,749.60 × 12,977.52
  4. Step 4: Simplify right side
    35,168.40x = 684,558,988.99
  5. Step 5: Solve for x
    x = 684,558,988.99/35,168.40
  6. Step 6: Final answer
    x = 19,465.17

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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.