Home / 35,420.09-53,121.62-10,453.39

Finding the Fourth Proportional to 35,420.09, 53,121.62 and 10,453.39

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Solution

The fourth proportional to 35,420.09, 53,121.62 and 10,453.39 is: 15,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.09 : 53,121.62 = 10,453.39 : x
  2. Step 2: Convert to fraction form
    35,420.09/53,121.62 = 10,453.39/x
  3. Step 3: Cross multiply
    35,420.09x = 53,121.62 × 10,453.39
  4. Step 4: Simplify right side
    35,420.09x = 555,300,904.62
  5. Step 5: Solve for x
    x = 555,300,904.62/35,420.09
  6. Step 6: Final answer
    x = 15,677.57

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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.