Home / 34,056.80-47,020.36-21,962.70

Finding the Fourth Proportional to 34,056.80, 47,020.36 and 21,962.70

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Solution

The fourth proportional to 34,056.80, 47,020.36 and 21,962.70 is: 30,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,056.80 : 47,020.36 = 21,962.70 : x
  2. Step 2: Convert to fraction form
    34,056.80/47,020.36 = 21,962.70/x
  3. Step 3: Cross multiply
    34,056.80x = 47,020.36 × 21,962.70
  4. Step 4: Simplify right side
    34,056.80x = 1,032,694,060.57
  5. Step 5: Solve for x
    x = 1,032,694,060.57/34,056.80
  6. Step 6: Final answer
    x = 30,322.70

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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.