Home / 35,426.83-53,138.70-13,240.39

Finding the Fourth Proportional to 35,426.83, 53,138.70 and 13,240.39

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Solution

The fourth proportional to 35,426.83, 53,138.70 and 13,240.39 is: 19,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.83 : 53,138.70 = 13,240.39 : x
  2. Step 2: Convert to fraction form
    35,426.83/53,138.70 = 13,240.39/x
  3. Step 3: Cross multiply
    35,426.83x = 53,138.70 × 13,240.39
  4. Step 4: Simplify right side
    35,426.83x = 703,577,244.94
  5. Step 5: Solve for x
    x = 703,577,244.94/35,426.83
  6. Step 6: Final answer
    x = 19,860.01

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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.