Home / 34,485.28-47,589.68-19,581.28

Finding the Fourth Proportional to 34,485.28, 47,589.68 and 19,581.28

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Solution

The fourth proportional to 34,485.28, 47,589.68 and 19,581.28 is: 27,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.28 : 47,589.68 = 19,581.28 : x
  2. Step 2: Convert to fraction form
    34,485.28/47,589.68 = 19,581.28/x
  3. Step 3: Cross multiply
    34,485.28x = 47,589.68 × 19,581.28
  4. Step 4: Simplify right side
    34,485.28x = 931,866,849.19
  5. Step 5: Solve for x
    x = 931,866,849.19/34,485.28
  6. Step 6: Final answer
    x = 27,022.16

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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.