Home / 35,130.78-52,674.93-13,757.99

Finding the Fourth Proportional to 35,130.78, 52,674.93 and 13,757.99

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Solution

The fourth proportional to 35,130.78, 52,674.93 and 13,757.99 is: 20,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.78 : 52,674.93 = 13,757.99 : x
  2. Step 2: Convert to fraction form
    35,130.78/52,674.93 = 13,757.99/x
  3. Step 3: Cross multiply
    35,130.78x = 52,674.93 × 13,757.99
  4. Step 4: Simplify right side
    35,130.78x = 724,700,896.82
  5. Step 5: Solve for x
    x = 724,700,896.82/35,130.78
  6. Step 6: Final answer
    x = 20,628.66

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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.