Home / 32,724.88-45,159.12-19,999.35

Finding the Fourth Proportional to 32,724.88, 45,159.12 and 19,999.35

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Solution

The fourth proportional to 32,724.88, 45,159.12 and 19,999.35 is: 27,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,724.88 : 45,159.12 = 19,999.35 : x
  2. Step 2: Convert to fraction form
    32,724.88/45,159.12 = 19,999.35/x
  3. Step 3: Cross multiply
    32,724.88x = 45,159.12 × 19,999.35
  4. Step 4: Simplify right side
    32,724.88x = 903,153,046.57
  5. Step 5: Solve for x
    x = 903,153,046.57/32,724.88
  6. Step 6: Final answer
    x = 27,598.36

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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.