Home / 34,485.12-47,589.36-19,581.12

Finding the Fourth Proportional to 34,485.12, 47,589.36 and 19,581.12

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Solution

The fourth proportional to 34,485.12, 47,589.36 and 19,581.12 is: 27,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.12 : 47,589.36 = 19,581.12 : x
  2. Step 2: Convert to fraction form
    34,485.12/47,589.36 = 19,581.12/x
  3. Step 3: Cross multiply
    34,485.12x = 47,589.36 × 19,581.12
  4. Step 4: Simplify right side
    34,485.12x = 931,852,968.88
  5. Step 5: Solve for x
    x = 931,852,968.88/34,485.12
  6. Step 6: Final answer
    x = 27,021.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.