Home / 35,380.04-53,007.48-18,703.08

Finding the Fourth Proportional to 35,380.04, 53,007.48 and 18,703.08

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Solution

The fourth proportional to 35,380.04, 53,007.48 and 18,703.08 is: 28,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.04 : 53,007.48 = 18,703.08 : x
  2. Step 2: Convert to fraction form
    35,380.04/53,007.48 = 18,703.08/x
  3. Step 3: Cross multiply
    35,380.04x = 53,007.48 × 18,703.08
  4. Step 4: Simplify right side
    35,380.04x = 991,403,139.04
  5. Step 5: Solve for x
    x = 991,403,139.04/35,380.04
  6. Step 6: Final answer
    x = 28,021.54

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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.