Home / 35,438.11-53,128.46-13,248.26

Finding the Fourth Proportional to 35,438.11, 53,128.46 and 13,248.26

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Solution

The fourth proportional to 35,438.11, 53,128.46 and 13,248.26 is: 19,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.11 : 53,128.46 = 13,248.26 : x
  2. Step 2: Convert to fraction form
    35,438.11/53,128.46 = 13,248.26/x
  3. Step 3: Cross multiply
    35,438.11x = 53,128.46 × 13,248.26
  4. Step 4: Simplify right side
    35,438.11x = 703,859,543.67
  5. Step 5: Solve for x
    x = 703,859,543.67/35,438.11
  6. Step 6: Final answer
    x = 19,861.66

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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.