Home / 35,543.76-53,321.11-13,358.70

Finding the Fourth Proportional to 35,543.76, 53,321.11 and 13,358.70

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Solution

The fourth proportional to 35,543.76, 53,321.11 and 13,358.70 is: 20,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.76 : 53,321.11 = 13,358.70 : x
  2. Step 2: Convert to fraction form
    35,543.76/53,321.11 = 13,358.70/x
  3. Step 3: Cross multiply
    35,543.76x = 53,321.11 × 13,358.70
  4. Step 4: Simplify right side
    35,543.76x = 712,300,566.37
  5. Step 5: Solve for x
    x = 712,300,566.37/35,543.76
  6. Step 6: Final answer
    x = 20,040.10

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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.