Home / 34,749.28-47,951.12-19,643.28

Finding the Fourth Proportional to 34,749.28, 47,951.12 and 19,643.28

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Solution

The fourth proportional to 34,749.28, 47,951.12 and 19,643.28 is: 27,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.28 : 47,951.12 = 19,643.28 : x
  2. Step 2: Convert to fraction form
    34,749.28/47,951.12 = 19,643.28/x
  3. Step 3: Cross multiply
    34,749.28x = 47,951.12 × 19,643.28
  4. Step 4: Simplify right side
    34,749.28x = 941,917,276.47
  5. Step 5: Solve for x
    x = 941,917,276.47/34,749.28
  6. Step 6: Final answer
    x = 27,106.09

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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.