Home / 62,947.90-86,868.21-34,267.42

Finding the Fourth Proportional to 62,947.90, 86,868.21 and 34,267.42

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Solution

The fourth proportional to 62,947.90, 86,868.21 and 34,267.42 is: 47,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,947.90 : 86,868.21 = 34,267.42 : x
  2. Step 2: Convert to fraction form
    62,947.90/86,868.21 = 34,267.42/x
  3. Step 3: Cross multiply
    62,947.90x = 86,868.21 × 34,267.42
  4. Step 4: Simplify right side
    62,947.90x = 2,976,749,436.72
  5. Step 5: Solve for x
    x = 2,976,749,436.72/62,947.90
  6. Step 6: Final answer
    x = 47,289.10

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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.