Home / 35,640.90-53,423.79-11,942.34

Finding the Fourth Proportional to 35,640.90, 53,423.79 and 11,942.34

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Solution

The fourth proportional to 35,640.90, 53,423.79 and 11,942.34 is: 17,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.90 : 53,423.79 = 11,942.34 : x
  2. Step 2: Convert to fraction form
    35,640.90/53,423.79 = 11,942.34/x
  3. Step 3: Cross multiply
    35,640.90x = 53,423.79 × 11,942.34
  4. Step 4: Simplify right side
    35,640.90x = 638,005,064.27
  5. Step 5: Solve for x
    x = 638,005,064.27/35,640.90
  6. Step 6: Final answer
    x = 17,900.92

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1.5x scale

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.