Home / 71,043.52-98,033.07-39,210.37

Finding the Fourth Proportional to 71,043.52, 98,033.07 and 39,210.37

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Solution

The fourth proportional to 71,043.52, 98,033.07 and 39,210.37 is: 54,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.52 : 98,033.07 = 39,210.37 : x
  2. Step 2: Convert to fraction form
    71,043.52/98,033.07 = 39,210.37/x
  3. Step 3: Cross multiply
    71,043.52x = 98,033.07 × 39,210.37
  4. Step 4: Simplify right side
    71,043.52x = 3,843,912,456.77
  5. Step 5: Solve for x
    x = 3,843,912,456.77/71,043.52
  6. Step 6: Final answer
    x = 54,106.45

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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.