Home / 35,329.54-53,008.80-18,685.12

Finding the Fourth Proportional to 35,329.54, 53,008.80 and 18,685.12

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Solution

The fourth proportional to 35,329.54, 53,008.80 and 18,685.12 is: 28,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.54 : 53,008.80 = 18,685.12 : x
  2. Step 2: Convert to fraction form
    35,329.54/53,008.80 = 18,685.12/x
  3. Step 3: Cross multiply
    35,329.54x = 53,008.80 × 18,685.12
  4. Step 4: Simplify right side
    35,329.54x = 990,475,789.06
  5. Step 5: Solve for x
    x = 990,475,789.06/35,329.54
  6. Step 6: Final answer
    x = 28,035.34

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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.