Home / 34,772.04-47,987.84-19,664.80

Finding the Fourth Proportional to 34,772.04, 47,987.84 and 19,664.80

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Solution

The fourth proportional to 34,772.04, 47,987.84 and 19,664.80 is: 27,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.04 : 47,987.84 = 19,664.80 : x
  2. Step 2: Convert to fraction form
    34,772.04/47,987.84 = 19,664.80/x
  3. Step 3: Cross multiply
    34,772.04x = 47,987.84 × 19,664.80
  4. Step 4: Simplify right side
    34,772.04x = 943,671,276.03
  5. Step 5: Solve for x
    x = 943,671,276.03/34,772.04
  6. Step 6: Final answer
    x = 27,138.80

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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.