Home / 34,264.78-47,289.75-19,158.34

Finding the Fourth Proportional to 34,264.78, 47,289.75 and 19,158.34

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Solution

The fourth proportional to 34,264.78, 47,289.75 and 19,158.34 is: 26,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,264.78 : 47,289.75 = 19,158.34 : x
  2. Step 2: Convert to fraction form
    34,264.78/47,289.75 = 19,158.34/x
  3. Step 3: Cross multiply
    34,264.78x = 47,289.75 × 19,158.34
  4. Step 4: Simplify right side
    34,264.78x = 905,993,109.02
  5. Step 5: Solve for x
    x = 905,993,109.02/34,264.78
  6. Step 6: Final answer
    x = 26,440.94

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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.