Home / 30,065.59-45,091.56-11,347.62

Finding the Fourth Proportional to 30,065.59, 45,091.56 and 11,347.62

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Solution

The fourth proportional to 30,065.59, 45,091.56 and 11,347.62 is: 17,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.59 : 45,091.56 = 11,347.62 : x
  2. Step 2: Convert to fraction form
    30,065.59/45,091.56 = 11,347.62/x
  3. Step 3: Cross multiply
    30,065.59x = 45,091.56 × 11,347.62
  4. Step 4: Simplify right side
    30,065.59x = 511,681,888.09
  5. Step 5: Solve for x
    x = 511,681,888.09/30,065.59
  6. Step 6: Final answer
    x = 17,018.85

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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.