Home / 35,354.42-53,020.40-11,975.38

Finding the Fourth Proportional to 35,354.42, 53,020.40 and 11,975.38

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Solution

The fourth proportional to 35,354.42, 53,020.40 and 11,975.38 is: 17,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.42 : 53,020.40 = 11,975.38 : x
  2. Step 2: Convert to fraction form
    35,354.42/53,020.40 = 11,975.38/x
  3. Step 3: Cross multiply
    35,354.42x = 53,020.40 × 11,975.38
  4. Step 4: Simplify right side
    35,354.42x = 634,939,437.75
  5. Step 5: Solve for x
    x = 634,939,437.75/35,354.42
  6. Step 6: Final answer
    x = 17,959.27

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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.