Home / 35,395.29-53,045.75-13,186.30

Finding the Fourth Proportional to 35,395.29, 53,045.75 and 13,186.30

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Solution

The fourth proportional to 35,395.29, 53,045.75 and 13,186.30 is: 19,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.29 : 53,045.75 = 13,186.30 : x
  2. Step 2: Convert to fraction form
    35,395.29/53,045.75 = 13,186.30/x
  3. Step 3: Cross multiply
    35,395.29x = 53,045.75 × 13,186.30
  4. Step 4: Simplify right side
    35,395.29x = 699,477,173.23
  5. Step 5: Solve for x
    x = 699,477,173.23/35,395.29
  6. Step 6: Final answer
    x = 19,761.87

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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.