Home / 35,669.40-53,465.70-13,474.20

Finding the Fourth Proportional to 35,669.40, 53,465.70 and 13,474.20

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Solution

The fourth proportional to 35,669.40, 53,465.70 and 13,474.20 is: 20,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,669.40 : 53,465.70 = 13,474.20 : x
  2. Step 2: Convert to fraction form
    35,669.40/53,465.70 = 13,474.20/x
  3. Step 3: Cross multiply
    35,669.40x = 53,465.70 × 13,474.20
  4. Step 4: Simplify right side
    35,669.40x = 720,407,534.94
  5. Step 5: Solve for x
    x = 720,407,534.94/35,669.40
  6. Step 6: Final answer
    x = 20,196.79

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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.